title: Preparation of tritiated- and carbon-14-labelled contraceptive steroids.
mesh_terms: D002715:Chlormadinone Acetate; D019411:Clinical Laboratory Techniques; D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D003933:Diagnosis; D005040:Ethynodiol Diacetate; D005193:Family Planning Services; D017258:Medroxyprogesterone Acetate
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D002715:Chlormadinone Acetate; D005040:Ethynodiol Diacetate; D017258:Medroxyprogesterone Acetate
keywords: Chlormadinone Acetate--analysis; Contraception; Contraceptive Agents, Female--analysis; Contraceptive Agents, Progestin--analysis; Contraceptive Agents--analysis; Ethynodiol Diacetate--analysis; Examinations And Diagnoses; Family Planning; Laboratory Examinations And Diagnoses; Laboratory Procedures; Medroxyprogesterone Acetate--analysis