title: Ultrasound studies of patients with bleeding in early pregnancy.
authors.affiliation: Department of Surgery H, Herlev Hospital, Denmark.
authors.forename: M
authors.initials: M
authors.lastname: Mantoni
mesh_terms: D000033:Abortion, Threatened / Q000209:etiology / Q000628:therapy; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011256:Pregnancy Outcome; D011261:Pregnancy Trimester, First; D012016:Reference Values; D014463:Ultrasonography; D014592:Uterine Hemorrhage / Q000209:etiology*