[Effect of an intrauterine contraceptive on the state of fertilized ova in rats].
D000818:Animals; D005260:Female; D007434:Intrauterine Devices; D010063:Ovum / Q000166:cytology*; D051381:Rats; D011919:Rats, Inbred Strains
Vliianie vnutrimatochnogo kontratseptiva na sostoianie oplodotvorennykh iatsekletok krysy.