1. Gonorrhea Reporting Systems;St. John,1976
2. Intrauterine devices and acute pelvic inflammatory disease;Faulkner;J. A. M. A,1976
3. Pathogenesis of acute pelvic inflammatory disease: Role of contraception and other risk factors;Eschenbach;Am. J. Obstet. Gynecol,1977
4. Actinomycosis infections associated with intrauterine contraceptive devices;Schiffer;Obstet. Gynecol,1975
5. Abdominal and endometrial actinomycosis with an intrauterine device;O'Brien;Can. Med. Assoc. J,1975