Ranta, T Serum prolactin and progesterone concentrations in ovulatory infertility. [electronic resource] - Journal of endocrinological investigation - 71-3 p. digital Publication Type: Journal Article ISSN: 0391-4097 Standard No.: 10.1007/BF03349278 doi Subjects--Topical Terms: Anovulation--bloodFemaleHumansIntrauterine DevicesLuteal PhaseProgesterone--bloodProlactin--bloodRadioimmunoassay