title: Effect of a long-acting contraceptive drug, norethindrone enanthate, on serum zinc and copper in human volunteers.
mesh_terms: D000328:Adult; D003300:Copper / Q000097:blood*; D003692:Delayed-Action Preparations; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D009640:Norethindrone / Q000494:pharmacology*; D015032:Zinc / Q000097:blood*
chemical_list: D003692:Delayed-Action Preparations; D003300:Copper; D015032:Zinc; D009640:Norethindrone