ORIGINAL ARTICLE: PDF OnlyAbortion Due to Incompetence of the Internal Os of the Cervix A Report of 250 CasesGANS, B. M.D.; ECKERLING, BENJAMIN M.D.; GOLDMAN, JACK A. M.D. Author Information From the Department of Obstetrics and Gynecology, Beilinson Medical Center, Medical School of the Tel-Aviv University, Israel. Obstetrics & Gynecology 27(6):p 875-879, June 1966. Buy © 1966 The American College of Obstetricians and Gynecologists