title: PUL.
authors.forename: Keith A
authors.initials: KA
authors.lastname: Hansen
mesh_terms: D006063:Chorionic Gonadotropin / Q000097:blood*; D019160:Endosonography; D005260:Female; D006801:Humans; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000097:blood* / Q000000981:diagnostic imaging*; D012102:Reproductive Control Agents / Q000097:blood*; D016216:Ultrasonography, Prenatal
chemical_list: D006063:Chorionic Gonadotropin; D012102:Reproductive Control Agents