title: Leucocytic responses to long-term treatment of norethisterone (a progestogen-only contraceptive) in the female rat.
mesh_terms: D000818:Animals; D004031:Diestrus; D004971:Estrus; D005260:Female; D007962:Leukocytes / Q000166:cytology / Q000187:drug effects*; D009640:Norethindrone / Q000494:pharmacology*; D011247:Pregnancy; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D009640:Norethindrone