title: The effect of a copper-releasing intrauterine device on sperm penetration in human cervical mucus in vitro.
mesh_terms: D002465:Cell Movement; D002582:Cervix Mucus / Q000187:drug effects*; D003300:Copper / Q000494:pharmacology*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007434:Intrauterine Devices; D008297:Male; D008722:Methods; D013094:Spermatozoa / Q000187:drug effects*; D014783:Viscosity
chemical_list: D003300:Copper