1. Report of Safety and Efficacy of the Dalkon Shield and Other IUDs;FDA ad hoc Obstetric-Gynecology Advisory Committee;Mimeo,1974
2. Association between intrauterine device and pelvic inflammatory disease;Burkman;Obstet Gynecol,1981
3. Extent of surgery for pelvic inflammatory disease in relation to duration of intrauterine device use;Stadel;Obstet Gynecol,1984
4. Tubal infertility and the intrauterine device;Cramer;N Engl J Med,1985
5. Primary tubal infertility in relation to the use of an intrauterine device;Daling;N Engl J Med,1985