The Tapachula Study generated data that the NIEHS Epidemiology Branch and its collaborators published in peer-reviewed journal articles. To find out more about the study, please click the following links to journal articles and abstracts.
Salazar-Martinez E, Romano-Riquer P, Yanez-Marquez E, Longnecker MP, Hernandez-Avila M. Anogenital distance in human male and female newborns: a descriptive, cross-sectional study. Environ Health. 3:8, 2004. [Abstract](http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15363098)[Full Text](http://www.ehjournal.net/content/3/1/8)[PDF] (http://www.ehjournal.net/content/pdf/1476-069X-3-8.pdf)
Longnecker MP, Gladen BC, Cupul-Uicab LA, Romano-Riquer SP, Weber JP, Chapin RE, Hernández-Ávila M. In utero exposure to the antiandrogen 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE) in relation to anogenital distance in male newborns from Chiapas, México. Am J Epidemiol. 2007 Jan 31; [Abstract](http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&dopt=AbstractPlus&list_uids=17272288&query_hl=5&itool=pubmed_docsum)
Romano-Riquer SP, Hernández-Ávila M, Gladen BC, Cupul-Uicab LA, Longnecker MP. Reliability and determinants of anogenital distance and penis dimensions in male newborns from Chiapas, México. Paediatr Perinat Epidemiol. 2007 May; 21(3):219-28.