"Failed forceps": a review of 37 cases.
D036861:Delivery, Obstetric; D005113:Extraction, Obstetrical; D005260:Female; D006801:Humans; D009772:Obstetrical Forceps; D011247:Pregnancy
DELIVERY
Br Med J. 1949 Oct 29;2(4634):975
15391406
Br Med J. 1950 Jul 1;2(4669):18-21
15426793