1. Surgical treatment of sterility;Martin;Univ Penna Med Bull,1902
2. The operative treatment of sterility in the male;Hagner;JAMA,1936
3. Sterility in the male;Hagner;Surg Gynececol Obstet,1931
4. Mechanical aspects and surgical management of sterility in men;O’Conor;JAMA,1953
5. Mechanical aspects of surgical correction of male sterility;O’Conor;Fertil Steril,1953