CHANG-YAO HSIEHHuang S.C.Ouyang P.C.2020-11-272020-11-2719860371-7682https://www.scopus.com/inward/record.uri?eid=2-s2.0-0022765912&partnerID=40&md5=b76dc09dfc7f9d0c5ba00bfdb31f00aehttps://scholars.lib.ntu.edu.tw/handle/123456789/522823Human chorionic gonadotropin and its subunits in normal pregnancy.journal article24321562-s2.0-0022765912