Projects

VITAMIN K ANALYSIS OF FOOD AND DIETARY SUPPLEMENTS General Cooperative Agreement (A)   Accession Number: 411248

DEVELOPMENT OF ACCURATE AND REPRESENTATIVE FOOD COMPOSITION DATA FOR THE U.S. FOOD SUPPLY Appropriated (D)   Accession Number: 408035

NATIONAL FOOD AND NUTRIENT ANALYSIS PROGRAM Reimbursable (R)   Accession Number: 409758

Publications

Antioxidant content of foods - (Abstract)

Haytowitz, D.B., Gebhardt, S.E. 2008. Antioxidant content of foods. IDFA Ice Cream Technology Conference, February 28, 2008, Phoenix, AZ.

Expanding Data on the Nutrient Content of Hispanic/Latino Foods in the USDA National Nutrient Database for Standard Reference - (Abstract)

Haytowitz, D.B., Pehrsson, P.R., Holden, J.M. 2008. Expanding data on the nutrient content of Hispanic/Latino foods in the USDA National Nutrient Database for Standard Reference. 32nd National Nutrient Databank Conference, May 12-14, 2008, Ottawa, Ontario, Canada.

Plant Breeding for Human Nutritional Quality - (Peer Reviewed Journal) - (21-Dec-07)

USDA Database for the Oxygen Radical Absorbance Capacity (ORAC) of selected Foods - (Abstract)

Bhagwat, S.A., Haytowitz, D.B., Holden, J.M. 2007. Usda database for the oxygen radical absorbance capacity (orac) of selected foods. WCRF/AICR Cancer Prevention Conference, November 1-2, 2007, Chicago, IL.

USDA National Nutrient Database for Standard Reference, Release 20 - (Other)

Gebhardt, S.E., Pehrsson, P.R., Cutrufelli, R.L., Lemar, L.E., Howe, J.C., Haytowitz, D.B., Nickle, M.S., Holcomb, G.T., Showell, B.A., Thomas, R.G., Exler, J., Holden, J.M. 2007. Usda national nutrient database for standard reference, release 20. USDA National Nutrient Database for Standard Reference.NDL Home Page. Available: www.ars.udsda.gov/nutrientdata.

Oxygen Radical Absorbance Capacity (ORAC) of Selected Food ¿ 2007 - (Other)

Haytowitz, D.B., Bhagwat, S.A., Prior, R.L., Wu, X., Gebhardt, S.E., Holden, J.M. 2007. Oxygen Radical Absorbance Capacity (ORAC) of Selected Food ¿ 2007. NDL Home Page. Available: http://www.ars.usda.gov/nutrientdata.

Impact of Data from the National Food and Nutrient Analysis Program on the Reported Composition of Highly Consumed Foods - (Peer Reviewed Journal)

Haytowitz, D.B., Pehrsson, P.R., Holden, J.M. 2007. The National Food and Analysis Program: A decade of progress. Journal of Food Composition and Analysis. 21(Supp. 1):S94-S102. Available: doi:10.1016/j.jfca.2007.07.006.

USDA's Composition Data for Fruits and Vegetables -- Sources, Measurement, and Variation - (Abstract)

Holden, J.M., Gebhardt, S.E., Haytowitz, D.B., Harnly, J.M. 2007. Usda's composition data for fruits and vegetables -- sources, measurement, and variation. Annual Conference of the American Society for Horticultural Science, July 16, 2007, Scottsdale, Arizona.

USDA¿ s Nutrient Databank System ¿ A tool for handling data from diverse sources - (Abstract)

Haytowitz, D.B., Lemar, L.E., Pehrsson, P.R. 2007. USDA¿s Nutrient Databank system ¿ a tool for handling data from diverse sources. 7th International Food Data Conference, Food Composition and Biodiversity, October 22-24, 2007, Sao Paulo, Brazil.

Evaluation of nutrient variability in highly consumed "fast foods" under the National Food and Nutrient Analysis Program - (Abstract)

Pehrsson, P.R., Haytowitz, D.B., Perry, C., Cutrufelli, R.L., Holden, J.M. 2007. Evaluation of nutrient variability in highly consumed "fast foods" under the National Food and Nutrient Analysis Program. Experimental Biology, April 25, 2007, Washington, D.C.

FLAVONOID CONTENT OF U.S. FRUITS, VEGETABLES, AND NUTS. - (Peer Reviewed Journal)

Harnly, J.M., Doherty, R.F., Beecher, G.R., Holden, J.M., Haytowitz, D.B., Bhagwat, S.A., Gebhardt, S.E. 2006. Flavonoid content of U.S. fruits, vegetables, and nuts. Journal of Agricultural and Food Chemistry. 54:966-9977.

Updating USDA¿s Key Foods List using NHANES 2003-04 Data - (Abstract)

Haytowitz, D.B., Pehrsson, P.R., Holden, J.M. 2007. Updating USDA¿s Key Foods List using NHANES 2003-04 data. Experimental Biology, April 25, 2007, Washington, D.C.

Difference in Folate Content of Green and Red Sweet Peppers (Capsicum annuum) - (Peer Reviewed Journal)

Phillips, K., Ruggio, D., Ashraf-Khorassani, M., Haytowitz, D.B. 2006. Difference in Folate Content of green and red sweet peppers (Capsicum annuum). Journal of Agricultural and Food Chemistry. 54(26):9998-10002.

USDA NATIONAL NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE 19 - (Other)

Gebhardt, S.E., Cutrufelli, R.L., Howe, J.C., Haytowitz, D.B., Pehrsson, P.R., Lemar, L.E., Holcomb, G.T., Stup, M.A., Thomas, R.G., Exler, J., Showell, B.A., Holden, J.M. 2006. Usda national nutrient database for standard reference, release 19. Home Page www.ars.usda.gov/nutrientdata.

USDA DATABASE FOR THE FLAVONOID CONTENT OF SELECTED FOODS. RELEASE 2 - (Other)

Bhagwat, S.A., Gebhardt, S.E., Haytowitz, D.B., Holden, J.M., Harnly, J.M. 2006. Usda database for the flavonoid content of selected foods. release 2. USDA National Nutrient Database for Standard Reference.

FOOD COMPOSITION INFORMATION FOR ETHNIC POPULATIONS IN THE U.S. - (Abstract)

Pehrsson, P.R., Haytowitz, D.B., Holden, J.M. 2006. Food composition information for ethnic populations in the U.S. National Nutrient Databank Conference, September 18-20, 2006, Hawaii.

WHAT'S BEHIND THE NUMBERS? STATISTICAL SAMPLING - (Abstract)

Holden, J.M., Pehrsson, P.R., Perry, C., Haytowitz, D.B. What's behind the numbers? statistical sampling. National Nutrient Databank Conference, September 18-20, 2006, Hawaii.

UNDERSTANDING NUTRIENT VARIABILITY: IMPACT ON PUBLIC HEALTH - (Abstract)

Holden, J.M., Pehrsson, P.R., Perry, C., Patterson, K.K., Haytowitz, D.B. 2006. Understanding nutrient variability: impact on public health. National Nutrient Databank Conference, September 18-20, 2006, Hawaii.

SAMPLING AND INITIAL FINDINGS FOR A NATIONAL STUDY OF FLUORIDE IN DRINKING WATER - (Peer Reviewed Journal)

Pehrsson, P.R., Perry, C., Cutrufelli, R.L., Patterson, K.K., Wilger, J., Haytowitz, D.B., Holden, J.M., Day, C., Himes, J., Harnack, L., Levy, S., Wefel, J., Heilman, J., Phillips, K., Rasor, A. 2006. Sampling and initial findings for a national study of fluoride in drinking water. Journal of Food Composition and Analysis. 19:S45-S52.

FLAVANONES IN GRAPEFRUIT, LEMONS, LIMES - (Peer Reviewed Journal)

Peterson, J., Beecher, G.R., Bhagwat, S.A., Dwyer, J., Gebhardt, S.E., Haytowitz, D.B., Holden, J.M. 2006. Flavanones in grapefruit, lemons, limes. Journal of Food Composition and Analysis. 19:S74-S80.

FLAVONONES IN ORANGES AND THEIR NEAR RELATIVES: TANGERINES/MANDARINS, TANGORS, AND TANGELOS - (Peer Reviewed Journal)

Peterson, J., Beecher, G.R., Bhagwat, S.A., Dwyer, J., Eldridge, A., Gebhardt, S.E., Haytowitz, D.B., Holden, J.M. Flavonones in oranges and their near relatives: tangerines/mandarins, tangors, and tangelos. Journal of Food Composition and Analysis. 19:S66-S73.

QUALITY CONTROL MATERIALS IN THE USDA NATIONAL FOOD AND NUTRIENT ANALYSIS PROGRAM (NFNAP) - (Peer Reviewed Journal)

Phillips, K., Patterson, K.K., Rasor, A., Exler, J., Haytowitz, D.B., Holden, J.M., Pehrsson, P.R. 2006. Quality control materials in the usda national food and nutrient analysis program (nfnap). Analytical and Bioanalytical Chemistry. 384:1341-1355.

THE NUTRIENT DATA LABORATORY WEB SITE GETS A NEW LOOK - (Peer Reviewed Journal)

Lemar, L.E., Haytowitz, D.B., Bingham, M., Cutrufelli, R.L., Thomas, R.G. 2006. The Nutrient Data Laboratory web site gets a new look. Journal of Food Composition and Analysis. 19:S96-S99.

NUTRIENT CONTENT AND NUTRIENT RETENTION OF SELECTED MUSHROOMS - (Abstract)

Haytowitz, D.B. Nutrient content and nutrient retention of selected mushrooms. Institute of Food Technologists Annual Meeting + Food Expo, June 24-26, 2006, Orlando, Florida.

USDA DATABASE FOR THE ADDED SUGARS CONTENT OF SELECTED FOODS - (Other)

Pehrsson, P.R., Cutrufelli, R.L., Gebhardt, S.E., Lemar, L.E., Holcomb, G.T., Haytowitz, D.B., Exler, J., Thomas, R.G., Stup, M.A., Showell, B.A., Howe, J.C., Holden, J.M. 2005. USDA database for the added sugars content of selected foods. Home Page: www.ars.usda.gov/nutrientdata.

THE DEVELOPMENT OF VALUES FOR VITAMINS E AND B12 FOR FORTIFIED FOODS IN THE UNITED STATES - (Abstract)

Gebhardt, S.E., Holden, J.M., Haytowitz, D.B. The development of values for vitamins e and b12 for fortified foods in the United States. Sixth International Conference on Dietary Assessment Methods to be held April 27 -29, 2006 in Copenhagen, Denmark.

USDA NATIONAL FLUORIDE DATABASE OF SELECTED BEVERAGES AND FOODS, RELEASE 2 - (Other)

Cutrufelli, R.L., Pehrsson, P.R., Haytowitz, D.B., Patterson, K.K., Holden, J.M. 2005. USDA National Fluoride Database of Selected Beverages and Foods, Release 2. Home Page: www.ars.usda.gov/nutrientdata.

DEVELOPMENT AND APPLICATION OF FOOD COMPOSITION INFORMATION FOR NATIVE AMERICAN POPULATIONS - (Abstract)

Pehrsson, P.R., Holden, J.M., Haytowitz, D.B. Development and application of food composition information for native american populations. The 6th International Food Data Conference, September 14-16, 2005, Pretoria, South Africa.

MAJOR FLAVONOIDS IN DRY TEA - (Peer Reviewed Journal)

Peterson, J., Dwyer, J., Bhagwat, S.A., Haytowitz, D.B., Holden, J.M., Eldridge, A., Beecher, G.R., Aladesanmi, J. 2005. Major flavonoids in dry tea. Journal of Food Composition and Analysis. 18:487-501.

VITAMIN K CONTENTS OF GRAINS, CEREALS, FAST-FOOD BREAKFASTS, AND BAKED GOODS - (Peer Reviewed Journal)

Ferreira, D.W., Haytowitz, D.B., Tassinari, M.A., Peterson, J.W., Booth, S.L. 2006. Vitamin K Contents of Grains, Cereals, Fast-food Breakfasts, and Baked Goods. Journal of Food Science. 71(1):S066-70.

USDA NATIONAL NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 18, CD-ROM - (Other)

Haytowitz, D.B., Gebhardt, S.E., Lemar, L.E., Cutrufelli, R.L., Howe, J.C., Pehrsson, P.R., Stup, M.A., Exler, J., Holcomb, G.T., Thomas, R.G., Showell, B.A., Holden, J.M. 2005. USDA National Nutrient Database for Standard Reference, Release no. 18, CD-ROM.

USDA NATIONAL NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 18 - (Other)

Gebhardt, S.E., Lemar, L.E., Cutrufelli, R.L., Haytowitz, D.B., Howe, J.C., Pehrsson, P.R., Stup, M.A., Exler, J., Holcomb, G.T., Thomas, R.G., Showell, B.A., Holden, J.M. 2005. USDA National Nutrient Database for Standard Reference, Release No. 18. Home Page: www.ars.usda.gov/nutrientdata

THE USDA NATIONAL NUTRIENT DATABASE FOR WINDOWS, SR18 VERSION - (Other)

Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2005. The USDA National Nutrient Database for Windows, SR18 version. Home Page. www.ars.usda.gov/nutrientdata.

THE USDA NATIONAL NUTRIENT DATABASE FOR PERSONAL DIGITAL ASSISTANTS (PDAS), SR18 VERSION - (Other)

Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2005. The USDA National Nutrient Database for Personal Digital Assistants (PDAs), SR18 version. Home Page. http://www.ars.usda.gov/nutrientdata.

UPDATE OF USDA DATABASE FOR THE FLAVONOID CONTENT OF SELECTED FOODS - (Abstract)

Bhagwat, S.A., Haytowitz, D.B., Harnly, J.M., Holden, J.M. 2005. Update of usda database for the flavonoid content of selected foods. International Research Conference on Food, Nutrition and Cancer on July 14 & 15, 2005 at Hyatt Regency Washington on Capitol Hill, Washington, D.C.

USDA¿S DATABASES FOR BIOACTIVE COMPOUNDS IN FOODS - (Abstract)

Holden, J.M., Bhagwat, S.A., Haytowitz, D.B., Gebhardt, S.E., Harnly, J.M. 2005. USDA¿s databases for bioactive compounds in foods. Nutrition International Congress Proceedings, September 18-23, 2005, Durban, South Africa.

USDA NATIONAL FLUORIDE DATABASE OF SELECTED BEVERAGES AND FOODS - (Other)

Cutrufelli, R.L., Pehrsson, P.R., Patterson, K.K., Wilger, J., Haytowitz, D.B., Holden, J.M. 2004. USDA national fluoride database of selected beverages and foods. Home Page. http://www.nal.usda.gov/fnic/foodcomp.

COMPARISON OF TOTAL FOLATE CONCENTRATION IN FOODS DETERMINED BY MICROBIOLOGICAL ASSAY AT SEVERAL EXPERIENCED LABORATORIES - (Peer Reviewed Journal)

Koontz, J., Phillips, K., Wunderlich, K., Exler, J., Holden, J.M., Gebhardt, S.E., Haytowitz, D.B. 2005. Comparison of total folate concentration in foods determined by microbiological assay at several experienced laboratories. Journal of Association of Official Analytical Chemists International. 88(3):805-813.

USDA NATIONAL NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 17 - CD-ROM - (Other)

Haytowitz, D.B., Gebhardt, S.E., Pehrsson, P.R., Lemar, L.E., Cutrufelli, R.L., Howe, J.C., Holcomb, G.T., Exler, J., Thomas, R.G., Showell, B.A., Holden, J.M. 2004. USDA national nutrient database for standard reference, release No. 17 - CD-ROM.

USDA COOKING YIELD DATABASE, PLANT PRODUCT RELEASE (2004) ELECTRONIC VERSION OF AGRICULTURE HANDBOOK NO. 102 - (Other)

Holcomb, G.T., Cutrufelli, R.L., Lemar, L.E., Stup, M., Bingham, M., Haytowitz, D.B. 2004. Usda cooking yield database, plant product release (2004) electronic version of agriculture handbook no. 102. Home Page. http://www.nal.usda.gov/fnic/foodcomp.

THE USDA NATIONAL NUTRIENT DATABASE FOR WINDOWS, SR17 - (Other)

Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2004. The USDA national nutrient database for windows, SR17. Home Page. http://www.nal.usda.gov/fnic/foodcomp

THE USDA NATIONAL NUTRIENT DATABASE FOR PERSONAL DIGITAL ASSISTANTS (PDAS), REL. 17 - (Other)

Haytowitz, D.B., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2004. The USDA national nutrient database for personal digital assistants (PDAs), rel. 17. Home Page. http://www.nal.usda.gov/fnic/foodcomp.

USDA DATABASE FOR PROANTHOCYANIDIN CONTENT OF SELECTED FOODS - (Other)

Bhagwat, S.A., Haytowitz, D.B., Prior, R.L., Gu, L., Hammerstone, J., Gebhardt, S.E., Kelm, M., Cunningham, D., Beecher, G.R., Holden, J.M. 2004. Usda database for proanthocyanidin content of selected foods. Home Page. http://www.nal.usda.gov/fnic/foodcomp.

USDA NATIONAL NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 17 - (Other)

Gebhardt, S.E., Pehrsson, P.R., Lemar, L.E., Haytowitz, D.B., Cutrufelli, R.L., Howe, J.C., Holcomb, G.T., Exler, J., Thomas, R.G., Showell, B.A., Holden, J.M. 2004. USDA National nutrient database for standard reference, release no. 17. Home Page. http://www.nal.usda.gov/fnic/foodcomp

STABILITY OF 5-METHYLTETRAHYDROFOLATE IN FROZEN FRESH FRUITS AND VEGETABLES - (Peer Reviewed Journal)

Phillips, K., Wunderlich, K., Holden, J.M., Exler, J., Gebhardt, S.E., Haytowitz, D.B., Beecher, G.R., Doherty, R.F. 2005. Stability of 5-methyltetrahydrofolate in frozen fresh fruits and vegetables. Journal of Agricultural and Food Chemistry. 97:587-595.

DEVELOPMENT OF A DATABASE OF CRITICALLY EVALUATED FLAVONOIDS DATA: APPLICATION OF USDA'S DATA QUALITY EVALUATION SYSTEM - (Peer Reviewed Journal)

Holden, J.M., Bhagwat, S.A., Haytowitz, D.B., Gebhardt, S.E., Dwyer, J., Peterson, J., Beecher, G., Eldridge, A. 2005. Development of a database of critically evaluated flavonoids data: application of usda's data quality evaluation system. Journal of Food Composition and Analysis. 18:829-844.

PHYLLOQUINONE (VITAMIN K1) CONTENT OF VEGETABLES - (Peer Reviewed Journal)

Damon, M., Zhang, N., Haytowitz, D.B., Booth, S. 2005. Phylloquinone (Vitamin K1) content of vegetables. Journal of Food Composition and Analysis. 18:751-758. Available online at http://www.sciencedirect.com doi:10.1016/j.jfca.2004.07.004

USDA NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 16, CD-ROM - (Other)

Haytowitz, D.B., Gebhardt, S.E., Lemar, L.E., Exler, J., Pehrsson, P.R., Cutrufelli, R.L., Howe, J.C., Thomas, R.G., Holcomb, G.T., Showell, B.A. 2004. Usda nutrient database for standard reference, release no. 16, cd-rom. Available: http://www.nal.usda.gov/fnic/foodcomp Home Page.

VITAMIN K CONTENT OF FAST FOODS AND SNACK FOODS IN THE US DIET - (Proceedings/Symposium)

Weizmann, N., Peterson, J.W., Haytowitz, D.B., Pehrsson, P.R., De Jesus, V.P., Booth, S. 2004. Vitamin k content of fast foods and snack foods in the us diet. Journal of Food Composition and Analysis. 17:379-384.

USDA NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 16.1 - (Other)

Gebhardt, S.E., Haytowitz, D.B., Lemar, L.E., Howe, J.C., Exler, J., Cutrufelli, R.L., Showell, B.A., De Jesus, V.P., Holden, J.M. 2004. Usda nutrient database for standard reference, release no. 16.1. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.

THE USDA NATIONAL NUTRIENT DATABASE FOR PERSONAL DIGITAL ASSISTANTS (PDAS), REL. 16 - (Other)

De Jesus, V.P., Cutrufelli, R.L., Haytowitz, D.B., Lemar, L.E., Thomas, R.G. 2004. The usda national nutrient database for personal digital assistants (pdas), rel. 16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.

THE USDA NATIONAL NUTRIENT DATABASE FOR WINDOWS, SR16 - (Other)

Haytowitz, D.B., De Jesus, V.P., Cutrufelli, R.L., Lemar, L.E., Thomas, R.G. 2003. The usda national nutrient database for windows, sr16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.

USDA DATABASE FOR THE FLAVONOID CONTENT OF SELECTED FOODS - (Other)

Bhagwat, S.A., Holden, J.M., Haytowitz, D.B., Gebhardt, S.E., Eldridge, A., Dwyer, J., Peterson, J. 2003. Usda database for the flavonoid content of selected foods. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.

USDA NUTRIENT DATABASE FOR STANDARD REFERENCE, RELEASE NO. 16 - (Other)

Gebhardt, S.E., Howe, J.C., Lemar, L.E., Haytowitz, D.B., Pehrsson, P.R., Cutrufelli, R.L., Exler, J., Thomas, R.G., Holcomb, G.T., De Jesus, V.P., Holden, J.M. 2004. USDA nutrient database for standard reference, release no. 16. Home Page. Available: http://www.nal.usda.gov/fnic/foodcomp.

VITAMIN K CONTENT OF NUTS AND FRUITS IN THE US DIET - (Peer Reviewed Journal)

DISMORE, M.L., HAYTOWITZ, D.B., GEBHARDT, S.E., PETERSON, J.W., BOOTH, S.L. VITAMIN K CONTENT OF NUTS AND FRUITS IN THE US DIET. JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION. 2003;103:1650-52.

QUANTIFICATION AND IDENTIFICATION OF ANTHOCYANINS IN FOODS USING HPLC MS/MS WITH DAD DETECTION - (Abstract)

WU, X., GU, L., HOLDEN, J.M., HAYTOWITZ, D.B., GEBHARDT, S.E., BEECHER, G.R., PRIOR, R.L. QUANTIFICATION AND IDENTIFICATION OF ANTHOCYANINS IN FOODS USING HPLC MS/MS WITH DAD DETECTION. INTERNATIONAL FOOD DATA BASE CONFERENCE. 2003. Abstract p. B26.

DEVELOPMENT OF A DATABASE OF TOTAL (LIPOPHILIC AND HYDROPHILIC) ANTIOXIDANT CAPACITY (ORAC-FL) IN FOODS - (Abstract)

PRIOR, R.L., WU, X., GU, L., HOLDEN, J.M., HAYTOWITZ, D.B., GEBHARDT, S.E., BEECHER, G.R. DEVELOPMENT OF A DATABASE OF TOTAL (LIPOPHILIC AND HYDROPHILIC) ANTIOXIDANT CAPACITY (ORAC-FL) IN FOODS. INTERNATIONAL FOOD DATA BASE CONFERENCE. 2003. Abstract p. VI4.

DEVELOPMENT OF A DATABASE OF PROCYANIDIN PROFILE AND CONTENT IN FOODS - (Abstract)

GU, L., KELM, M.A., HAMMERSTONE, J.F., HOLDEN, J.M., HAYTOWITZ, D.B., BEECHER, G.R., PRIOR, R.L. DEVELOPMENT OF A DATABASE OF PROCYANIDIN PROFILE AND CONTENT IN FOODS. INTERNATIONAL FOOD DATA BASE CONFERENCE. 2003. Abstract p. B25.