title: Further evidence against the reliability of the human chorionic gonadotropin discriminatory level.
authors.forename: Mitchell D
authors.initials: MD
authors.lastname: Creinin
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy / Q000097:blood*; D016216:Ultrasonography, Prenatal / Q000379:methods* / Q000706:statistics & numerical data*; D015017:Yolk Sac / Q000000981:diagnostic imaging*
chemical_list: D006063:Chorionic Gonadotropin