1. Progress towards vaccines we need and do not have;Robbins, A.;Lancet,1990
2. Efforts towards a vaccine against Toxoplasma gondii: a review;Hermentin, K.; Aspock, H.;Zentralbl Bakteriol Mikrobiol Hyg[A],1988
3. Partially purified antigen preparations of Toxoplasma gondii protect against lethal infection in mice;Araujo, F.G.; Remington, J.S.;Infect Immun,1984
4. Incidence, prevalence, and trends of acute pelvic inflammatory disease and its consequences in industrialised countries;Westrom, L.;AmJ Obstet Gynecol,1980
5. Acute salpingitis in sterilised women;Vermesh, M.; Confino, E.; Boler, L.R.; Friberg, J.; Gleicher, N.;Obstet Gynecol,1987