1. Primary ovarian pregnancy of four months;Badia;Am. J. Surg.,1947
2. Ovarian pregnancy;Ballina;Am. J. Obst. & Gynec.,1945
3. Ovarian pregnancy (case);Blocksom;Illinois M. J.,1940
4. Case of primary ovarian pregnancy;Browne;J. Obst. & Gynaec. Brit. Emp.,1944
5. Ovarian pregnancy, with description of case;Clement;J. Obst. & Gynaec. Brit. Emp.,1933