Kielland forceps; incidence of its use in a review of 1,646 deliveries.
D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D015994:Incidence; D007743:Labor, Obstetric; D009772:Obstetrical Forceps; D011247:Pregnancy; D013525:Surgical Instruments
FORCEPS; LABOR/forceps in