title: Plasma levels of norethisterone after single and multiple injections of norethisterone oenanthate.
mesh_terms: D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D009640:Norethindrone / Q000008:administration & dosage / Q000097:blood*; D013997:Time Factors
chemical_list: D009640:Norethindrone