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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/incme/images/PandP_head.gif) |
Richard L Witter
Midwest Area
Collaborator
Phone: (517) 337-6838
Fax: (517) 337-6776
3606 E. MT. HOPE ROAD
EAST LANSING, MI, 48823-5338
Publications |
![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/headline_bar.gif) |
Factors influencing the attenuation of serotype 1 Marek's disease virus by serial cell culture passage, and evaluation of attenuated strains for protection and replication
- (Peer Reviewed Journal)
- (10-Oct-08)
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Frequency of multiple serotype 1 Marek's disease virus strains in feather follicle epithelium and tumor cells following superinfection
- (Abstract)
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Dunn, J.R., Witter, R.L., Silva, R.F., Lee, L.F. 2008. Frequency of multiple serotype 1 Marek's disease virus strains in feather follicle epithelium and tumor cells following superinfection [abstract]. American Veterinary Medical Association Convention Notes. 145th AVMA Annual Convention, July 19-22, 2008, New Orleans, LA. 2008 CD-ROM.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
A comparison between Marek's disease virus production in feather pulp versus feather follicle epithelium (FFE)
- (Abstract)
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Dunn, J.R., Finlay, J.B., Witter, R.L., Silva, R.F. 2007. A comparison between Marek's disease virus production in feather pulp versus feather follicle epithelium (FFE) [abstract]. American Association of Avian Pathologists/American Veterinary Medical Association Abstract. p. 40.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Reticuloendotheliosis
- (Book/Chapter)
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Fadly, A.M., Zavala, G., Witter, R.L. 2008. Reticuloendotheliosis. In: Saif, Y.M., Fadly, A.M., Glisson, J.R., McDougald, L.R., Nolan, L.K., Swayne, D.E., editors. Diseases of Poultry. 12th edition. Ames, IA: Iowa State University Press. p. 568-588.
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Evaluation of Marek's disease field isolates by the "best fit" pathotyping assay
- (Peer Reviewed Journal)
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Dudnikova, E., Norkina, S., Vlasov, A., Slobodchuk, A., Lee, L.F., Witter, R.L. 2007. Evaluation of Marek's disease field isolates by the "best fit" pathotyping assay. Avian Pathology. 36(2):135-143.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Putative evidence that genes outside the MHC have a significant influence on efficacy of Marek's disease vaccine
- (Abstract)
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Zhang, H.M., Dunn, J.R., Witter, R.L., Heidari, M., Bacon, L.D., Cui, Y., Song, J., Cheng, H.H. 2007. Putative evidence that genes outside the MHC have a significant influence on efficacy of Marek's disease vaccine [abstract]. Plant and Animal Genome VX Conference Abstracts. Paper #107. p. 128.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Methods to Distinquish Selected Serotype 1 Mdv in Dually Infected Chickens
- (Abstract)
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Dunn, J.R., Gross, S.B., Witter, R.L., Silva, R.F., Lee, L.F. 2006. Methods to distinquish selected serotype 1 MDV in dual-infected chickens [abstract]. 4th International Workshop on Molecular Pathogenesis of Marek's Disease Virus. p. 39.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
The Threshold of Genetic Susceptibility to Marek's Disease
- (Abstract)
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Zhang, H.M., Dunn, J.R., Heidari, M., Witter, R.L., Kulkarni, G., Bacon, L.D. 2006. The threshold of genetic susceptibility to Marek's disease [abstract]. 4th International Workshop on Molecular Pathogenesis of Marek's Disease Virus. p. 33.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Application of the "best fit" pathotyping assay for evaluation of Russian isolates of Marek's disease virus
- (Abstract)
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Dudnikova, E., Norkina, S., Vlasov, A., Slobodchuk, A., Lee, L.F., Witter, R.L. 2006. Application of the "best fit" pathotyping assay for evaluation of Russian isolates of Marek's disease virus. 4th International Workshop on Molecular Pathogenesis of Marek's Disease Virus. p. 40.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
A Comparison Between Mdv Production in Feather Pulp Versus Feather Follicle Epithelium (Ffe)
- (Abstract)
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Finlay, J.B., Dunn, J.R., Witter, R.L., Silva, R.F. 2006. A comparison between MDV production in feather pulp versus feather follicle epithelium (FFE)[abstract]. 2006 Merck/Merial National Veterinary Scholar Symposium. Veterinary Medicine and Biomedical Science: Creating the Gumbo of Progress. p. 97.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Prevention and Control of Reticuloendotheliosis Virus Infection: Rationale and Strategies
- (Review Article)
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Witter, R.L. 2006. Prevention and control of reticuloendotheliosis virus infection: rationale and strategies. American Association of Avian Pathologists. In: A.A.A.P. Symposium Program, "Impact of Subclinical Immunosuppression on Poultry Production", July 2006, Honolulu, Hawaii. p. 81-89.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Methods to Distinguish Selected Serotype 1 Mdv in Dually Infected Chickens
- (Abstract)
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Dunn, J.R., Gross, S.B., Witter, R.L., Silva, R.F., Lee, L.F. 2006. Methods to distinguish selected serotype 1 MDV in dually infected chickens [abstract]. American Veterinary Medical Association and American Association of Avian Pathologists Scientific Program. p. 73.
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Susceptibility of Adult Chickens, with and Without Prior Vaccination, to Challenge with Marek's Disease Virus
- (Peer Reviewed Journal)
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Witter, R.L., Gimeno, I.M. 2006. Susceptibility of adult chickens, with and without prior vaccination, to challenge with Marek's disease virus. Avian Diseases. 50(3):354-365.
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Oncornaviruses: Leukosis/sarcoma and Reticuloendotheliosis
- (Book/Chapter)
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Fadly, A.M., Witter, R.L., Hunt, H.D. 2008. Oncornaviruses: leukosis/sarcomas and reticuloendotheliosis. In: Dufour-Zavala, L., Swayne, D.E., Glisson, J.R., Pearson, J.E., Reed, W.M., Jackwood, M.W., Woolcock, P.R., editors. A Laboratory Manual for the Isolation, Identification and Characterization of Avian Pathogens. 5th edition. Jacksonville, FL: American Association of Avian Pathologists. p. 164-172.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Marek's Disease Virus Meq Transforms Chicken Cells Via the V-Jun Transcriptional Cascade: a Converging Transforming Pathway for Avian Oncoviruses
- (Peer Reviewed Journal)
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Levy, A.M., Gilad, O., Xia, L., Izumiya, Y., Choi, J., Tsalenko, A., Yakhini, Z., Witter, R.L., Lee, L.F., Cardona, C., Kung, H. 2005. Marek's disease virus MEQ transforms chicken cells via the v-jun transcriptional cascade: a converging transforming pathway for avian oncoviruses. Proceedings of the National Academy of Sciences. 102:14831-14836.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Differential Diagnosis of Lymphoid and Myeloid Tumors in the Chicken
- (Review Article)
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Witter, R.L., Gimeno, I.M., Fadly, A.M. 2005. AAAP Continuing Education Program Slide Study Sets: Differential diagnosis of lymphoid and myeloid tumors in the chickens [CD-ROM]. Set 26 & 27. Athens, Georgia: American Association of Avian Pathologists (AAAP).
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Novel Criteria for the Diagnosis of Mdv Induced Lymphomas
- (Peer Reviewed Journal)
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Gimeno, I.M., Witter, R.L., Fadly, A.M., Silva, R.F. 2005. Novel criteria for the diagnosis of Marek's disease virus-induced lymphomas. Avian Pathology. 34(4):332-340.
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Classification of Marek's Disease Viruses According to Pathotype-Philosophy and Methodology
- (Peer Reviewed Journal)
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Witter, R.L., Calnek, B.W., Buscaglia, C., Gimeno, I.M., Schat, K.A. 2005. Classification of Marek's disease viruses according to pathotype--philosophy and methodology. Avian Pathology. 34:75-90.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
The Pp38 Gene of Marek's Disease Virus (Mdv) Is Necessary for Cytolytic Infection of B Cells and the Maintenance of the Transformed State But Not for Cytolytic ... Spread of Mdv.
- (Peer Reviewed Journal)
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Gimeno, I.M., Witter, R.L., Hunt, H.D., Reddy, S.M., Lee, L.F., Silva, R.F. 2005. The pp38 gene of Marek's disease virus (MDV) is necessary for cytolytic infection of B cells and maintenance of the transformed state but not for cytolytic infection of the feather follicle epithelium and horizontal spread of MDV. Journal of Virology. 79(7):4545-4549.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Marek's Disease: the Continuing Struggle Between Pathogen and Host
- (Review Article)
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Witter, R.L. 2005. Marek's disease: the continuing struggle between pathogen and host. Review Article. Available: http://authors.elsevier.com/sd/article/S1090023304002199.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Marek's Disease
- (Review Article)
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Gimeno, I.M., Witter, R.L., Miles, A.M. 2005. AAAP Continuing Education Program Slide Study Sets: Marek's disease [CD-ROM]. Set 26 & 27. Athens, Georgia: American Association of Avian Pathologists (AAAP).
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Retroviruses and Marek's Disease Virus
- (Proceedings/Symposium)
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Fadly, A.M., Witter, R.L., Crespo, R., Davidson, I., Hafez, H.M. 2004. Retroviruses and Marek's Disease virus. In: Emerging and Re-emerging Diseases. American Association of Avian Pathologists Symposium, July 25, 2004, Philadelphia, Pennsylvania. p. 33-36.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Novel Methods to Diagnosis Marek's Disease
- (Abstract)
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Gimeno, I.M., Witter, R.L., Fadly, A.M., Silva, R.F. 2004. Novel methods to diagnosis Marek's Disease [abstract]. American Veterinary Medical Association. p. 59.
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Towards a Universal Pathotyping Methodology for Marek's Disease Virus
- (Abstract)
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Witter, R.L., Calnek, B.W., Buscaglia, C., Gimeno, I.M., Schat, K.A. 2004. Towards a universal pathotyping methodology for Marek's disease virus [abstract]. International Marek's Disease Symposium Abstracts and Proceedings. Paper No. III-5.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Marek's Disease Virus Encoded Meq Gene Is Involved in Transformation of Lymphocytes But Dispensable for Replication
- (Peer Reviewed Journal)
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Lupiani, B.M., Lee, L.F., Cui, X., Gimeno, I.M., Anderson, A., Morgan, R.W., Silva, R.F., Witter, R.L., Kung, H., Reddy, S. 2004. Marek's disease virus-encoded Meq gene is involved in transformation of lymphocytes but is dispensable for replication. Proceedings of the National Academy of Sciences. 101(32):11815-11820.
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Virus-Induced Neoplastic Diseases of Turkeys: An Update
- (Abstract)
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Fadly, A.M., Witter, R.L., Crespo, R., Davidson, I., Hafez, H.M. 2004. Virus-induced neoplastic diseases of turkeys: an update [abstract]. 5th International Symposium on Turkey Diseases. p. 18.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Virus-Induced Neoplastic Diseases of Turkeys: An Update
- (Proceedings/Symposium)
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Fadly, A.M., Witter, R.L., Crespo, R., Davidson, I., Hafez, H.M. 2005. Virus-induced neoplastic diseases of turkeys: an update. In: Proceedings of the German Branch of the World Veterinary Poultry Association. 5th International Symposium on Turkey Diseases. p. 64-67.
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Serotype 1 Viruses Modified by Backpassage Or Insertional Mutagenesis: Approaching the Threshold of Vaccine Efficacy in Marek's Disease
- (Peer Reviewed Journal)
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Witter, R.L., Kreager, K.S. 2004. Serotype 1 viruses modified by backpassage or insertional mutagenesis: approaching the threshold of vaccine efficacy in Marek's disease. Avian Diseases. 48:768-782.
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A Comparison of Serological and Virological Findings from Avian Leukosis Virus, Subgroup J-Affected Flocks and Normal Broiler Breeder Flocks
- (Peer Reviewed Journal)
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Malkinson, M., Banet-Noach, C., Davidson, I., Fadly, A.M., Witter, R.L. 2004. Comparison of serological and virological findings from subgroup J avian leukosis virus-infected neoplastic and non-neoplastic flocks in Israel. Avian Pathology. p. 281-287.
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The Efficacy of Recombinant Fowlpox Vaccine Protection Against Marek's Disease: Its Dependence on Chicken Line and B Haplotype
- (Peer Reviewed Journal)
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Lee, L.F., Bacon, L.D., Yoshida, S., Yanagida, N., Zhang, H., Witter, R.L. 2004. The efficacy of recombinant fowlpox vaccine protection against marek's disease: its dependence on chicken line and b haplotype. Avian Diseases. 48:129-137.
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Biocharacteristics Shared by Highly Protective Vaccines Against Marek's Disease
- (Peer Reviewed Journal)
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Gimeno, I.M., Witter, R.L., Hunt, H.D., Reddy, S.M., Reed, W.M. 2003. Biocharacteristics shared by highly protective vaccines against Marek's disease. Avian Pathology. 33(1):59-68.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
New Techniques for Diagnosis of Marek's Disease in Chickens
- (Proceedings/Symposium)
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Shaw, G., Gimeno, I.M., Witter, R.L., Lee, L.F., Silva, R.F., Fadly, A.M. 2003. New techniques for diagnosis of Marek's disease in chickens. Annual Merck Merial Veterinary Scholars Symposium. p. 105.
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Role of the Gene Pp38 in the Pathogenesis of Marek's Disease Virus
- (Proceedings/Symposium)
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Gimeno, I.M., Hunt, H.D., Witter, R.L., Neumann, U., Reddy, S., Silva, R.F. 2003. Role of the gene pp38 in the pathogenesis of marek's disease virus. World Veterinary Poultry Association Congress Proceedings. p. 101.
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Marek's Disease - Past Successes and Future Concerns
- (Abstract)
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WITTER, R.L. MAREK'S DISEASE - PAST SUCCESSES AND FUTURE CONCERNS. PROCEEDINGS OF NORTHEAST CONFERENCE ON AVIAN DISEASES. 2003. p. 1-2.
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Immunological Features of Serotype 1 Marek's Disease Virus Vaccines
- (Abstract)
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Gimeno, I.M., Witter, R.L., Hunt, H.D., Reed, W.M. 2002. Immunological features of serotype 1 marek's disease virus vaccines [abstract]. American Veterinary Medical Association. p. 19.
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Case Report: Determining the Etiology of Unusual Tumors in Chickens
- (Abstract)
- (13-Jul-02)
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Induction of Strong Protection by Vaccination with Partially Attenuated Serotype 1 Marek's Disease Viruses
- (Peer Reviewed Journal)
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Witter, R.L. 2002. Induction of strong protection by vaccination with partially attenuated serotype 1 marek's disease viruses. Avian Diseases. 46:925-937.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Neuropathotyping: a New System to Classify Marek's Disease Virus
- (Peer Reviewed Journal)
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Gimeno, I.M., Witter, R.L., Neumann, U. 2002. Neuropathotyping: a new system to classify marek's disease virus. Avian Diseases. 46:909-918.
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Vaccination of Poultry: the Special Case of Marek's Disease
herpesvirus-Induced Lymphomas
- (Abstract)
- (06-May-02)
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![](https://webarchive.library.unt.edu/eot2008/20090513170546im_/http://www.ars.usda.gov/images/content-divider.gif) |
Susceptibility of Adult Chickens to Marek's Disease
- (Proceedings/Symposium)
- (01-May-02)
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