The remote effects of prolonged labor with forceps delivery, precipitate labor with spontaneous delivery and natural labor with spontaneous delivery on the child.
BENARON HB, BROWN M, TUCKER BE, WENTZ V, YACORZYNSKI GK.
Am J Obstet Gynecol. 1953 Sep;66(3):551-68. doi: 10.1016/0002-9378(53)90070-2.