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2. Schoysman R: Andrology Lecture. Presented at the Thirty-Third Annual Meeting of The American Fertility Society, Miami Beach, Fla, April 12-16, 1977
3. Operative treatment of sterility in the male;Hagner;JAMA,1936
4. Surgical treatment of infertility in the male;Hotchkiss,1970
5. The surgery of male sub-fertility;Hanley;Ann R Coll Surg Engl,1955