1. Septic abortion;Barnes;J.A.M.A.,1964
2. Criminal Abortion—A Study in Medical Sociology;Bates,1964
3. Abortion in the United States;Calderone,1958
4. Extrauterine pregnancy: Statistical review of 160 cases;Fielding;Obst. & Gynec.,1965
5. Effect of ectopic pregnancy on fertility;Grant;Clinical Obst. & Gynec.,1962