• Geographic Differences in Semen Quality of Fertile U.S. Males 

    Swan, Shanna H.; Brazil, Charlene; Drobnis, Erma Z.; Liu, Fan; Kruse, Robin L.; Hatch, Maureen; Redmon, J. Bruce; Wang, Christina; Overstreet, James W.; Study for Future Families Research Team (Environmental Health Perspectives, 2003-04)
    Although geographic variation in semen quality has been reported, this is the first study in the United States to compare semen quality among study centers using standardized methods and strict quality control. We evaluated ...
  • Semen Quality in Relation to Biomarkers of Pesticide Exposure 

    Swan, Shanna H.; Kruse, Robin L.; Liu, Fan; Barr, Dana B.; Drobnis, Erma Z.; Redmon, J. Bruce; Wang, Christina; Brazil, Charlene; Overstreet, James W. (Environmental Health Perspectives, 2003-09)
    We previously reported reduced sperm concentration and motility in fertile men in a U.S. agrarian area (Columbia, MO) relative to men from U.S. urban centers (Minneapolis, MN; Los Angeles, CA; New York, NY). In the present ...