REFERENCES
- Keettel, W. C., Goplerud, C. P. and Egbert, D. S.: Pudendal nerve block. Mod. Med. 29: 96–98 (December 25) 1961.
- Egbert, D. S., Keettel, W. C. and Lee, J. D.: “Iowa Trumpet” pudendal needle guide. J. Iowa M. Soc. 50: 499–500, 1960.
- Pitkin, R. M. and Goodard, W. B.: Paracervical and uterosacral block in obstetrics-a controlled double-blind study. Obst. & Gynec. (In press.)