title: The vacuum extractor and forceps in obstetrics. A clinical study.
mesh_terms: D000773:Anesthesia, Obstetrical; D001720:Birth Injuries; D001724:Birth Weight; D036861:Delivery, Obstetric; D005113:Extraction, Obstetrical / Q000009:adverse effects / Q000266:history / Q000295:instrumentation; D005321:Extraembryonic Membranes; D005260:Female; D005387:Finland; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D007751:Labor, Induced; D007743:Labor, Obstetric; D008428:Maternal Mortality; D007744:Obstetric Labor Complications; D009772:Obstetrical Forceps / Q000009:adverse effects; D010387:Pelvimetry; D011247:Pregnancy; D013223:Statistics as Topic; D013997:Time Factors