title: Association of higher pregnancy rates with low serum progesterone levels (by radioimmunoassay) at the time of human chorionic gonadotropin not corroborated when using a nonisotopic immunoassay.
authors.affiliation: University of Medicine and Dentistry of New Jersey.
authors.forename: J H
authors.initials: JH
authors.lastname: Check
authors.forename: D
authors.initials: D
authors.lastname: Lurie
authors.forename: L
authors.initials: L
authors.lastname: Hoover
authors.forename: L
authors.initials: L
authors.lastname: Stumpo
authors.forename: D
authors.initials: D
authors.lastname: Summers
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin / Q000008:administration & dosage*; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D007118:Immunoassay; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D011863:Radioimmunoassay
chemical_list: D006063:Chorionic Gonadotropin; D011374:Progesterone