1. Transactions of the Twenty-third Annual Meeting of the Pacific Coast Obstetrical and Gynecological Society;Thompson,1957
2. Transactions of the Thirty-fourth Annual Meeting of the Pacific Coast Obstetrical and Gynecological Society;Baldwin,1968
3. To hang a lantern;Russell;Am. J. Obstet. Gynecol,1969
4. Time for a change;McLennan;Am. J. Obstet. Gynecol,1974
5. Transactions of the Seventeenth Annual Meeting of the Pacific Coast Obstetrical and Gynecological Society;Schauffler,1951