title: Polychlorobiphenyl congeners, p,p'-DDE, and sperm function in humans.
mesh_terms: D002849:Chromatography, Gas; D003633:Dichlorodiphenyl Dichloroethylene / Q000009:adverse effects / Q000032:analysis*; D004784:Environmental Monitoring; D006801:Humans; D008297:Male; D011078:Polychlorinated Biphenyls / Q000009:adverse effects / Q000032:analysis*; D013094:Spermatozoa / Q000187:drug effects / Q000502:physiology*; D014659:Vasectomy
chemical_list: D003633:Dichlorodiphenyl Dichloroethylene; D011078:Polychlorinated Biphenyls