title: hCG, progesterone, alpha-fetoprotein, and estradiol in the identification of ectopic pregnancy.
authors.forename: J
authors.initials: J
authors.lastname: Massé
mesh_terms: D015415:Biomarkers / Q000097:blood; D006063:Chorionic Gonadotropin / Q000097:blood*; D004958:Estradiol / Q000097:blood*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011374:Progesterone / Q000097:blood*; D012044:Regression Analysis; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D015415:Biomarkers; D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D011374:Progesterone; D004958:Estradiol