References
- Peham and Americh (1934) Operative Gynecology, 2
- Portes and de Nabias (1924) Gynec. et Obstet, 10, p. 105.
- (1940) Behney: Amer. Jour. Obst. & Gyn, 40, p. 780.
- (1936) Scheffey: J. A. M. A, 107, p. 837.
- Ward, G. G. (1941) Amer. Jour. Obst. & Gyn, 41, p. No. 4, 660.
- Ward, G. G. (1940) Discussion Am. Jour. Obst. & Gyn, 40, p. 787.
- Ward and Sackett (1938) J. A. M. A, 110, p. 323.
- (1937) Danforth: Amer. Jour. Obst. & Gyn, 34, p. 365.
- Goldstein and Murphy (1929) Amer. Jour. Obst. & Gyn, 18, p. 189.
- (1934) Berkeley: Jour. Obst. & Gyn. British Empire, 41, p. 402.
- (1946) Mussey: Progress in Gyn., Meigs & Sturgis, 410
- (1943) Taussig, F. J.: Am. Jour. Obst. & Gynec, 45, p. 733.