title: Caffeine and human sperm characteristics.
mesh_terms: D002110:Caffeine / Q000494:pharmacology*; D002869:Chromosome Aberrations; D006801:Humans; D066298:In Vitro Techniques; D007315:Insemination, Artificial / Q000379:methods; D008297:Male; D009153:Mutagens; D012662:Semen Preservation / Q000379:methods; D013094:Spermatozoa / Q000187:drug effects*
chemical_list: D009153:Mutagens; D002110:Caffeine