title: An easily made obstetrical vacuum extractor.
authors: Department of Obstetrics and Gynecology, University of Colorado, Denver.
authors: R A
authors: RA
authors: Grossman
mesh_terms: D004867:Equipment Design; D005260:Female; D006801:Humans; D011247:Pregnancy; D014620:Vacuum Extraction, Obstetrical / Q000295:instrumentation*