Zhao, M [Changes in serum prolactin, FSH, LH and E2 levels in breast-feeding women with amenorrhea]. [electronic resource] - Zhonghua fu chan ke za zhi Jul 1983 - 130-3 p. digital Publication Type: English Abstract; Journal Article ISSN: 0529-567X Subjects--Topical Terms: AdultBreast FeedingEstradiol--bloodFemaleFollicle Stimulating Hormone--bloodGonadotropins, Pituitary--bloodHumansLuteinizing Hormone--bloodPregnancyProlactin--blood