References
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- Hertig A.T., Kellogg F.S. Clinics 1945; 4: 585, quoted from
- Novak E. Gynecological and Obstetrical Pathology, Saunders 1947
- Ramsey E.M. Contrib. Embryol 1954; 35: 151
- Sexton L.I., Hertig A.T., Reid D.E., Kellogg F.S., Patterson W.S. Am. J. Obst. & Gynec 1950; 59: 13
- Shanklin D.R. Obst. & Gynec 1959; 13: 325