Microbial Biophysics and Residue Chemistry Research Chemist
USDA - ARS
600 E. Mermaid Lane, ERRCWyndmoor, PA, 19038-8598
(215) 233-6436
Marjorie.Medina@ars.usda.gov
http://www.ars.usda.gov/pandp/people/people.htm?personid=3783