title: Progesterone for diagnosis of ectopic.
authors.forename: J H
authors.initials: JH
authors.lastname: Check
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011374:Progesterone / Q000097:blood*
chemical_list: D011374:Progesterone