title: Comparative clinical trial of the progestins R-2323 and levonorgestrel administered by subdermal implants.
mesh_terms: D000293:Adolescent; D000328:Adult; D000410:Alanine Transaminase / Q000097:blood; D001219:Aspartate Aminotransferases / Q000097:blood; D004343:Drug Implants; D005260:Female; D005867:Gestrinone / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006400:Hematocrit; D006801:Humans; D009644:Norgestrel / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D009651:Norpregnatrienes / Q000627:therapeutic use*; D011247:Pregnancy; D013997:Time Factors; D014592:Uterine Hemorrhage / Q000209:etiology
chemical_list: D004343:Drug Implants; D009651:Norpregnatrienes; D005867:Gestrinone; D009644:Norgestrel; D001219:Aspartate Aminotransferases; D000410:Alanine Transaminase