1. ABO blood group and secretor status in relation to clinical characteristics of peptic ulcers;Langman, M.J.S.; Doll, R.;Gut,1965
2. Effect of ABO blood group and secretor status on the frequency of Helicobacter pylori antibodies;Hook-Nikeanne, J.; Sistonen, P.; Kosunen, T.U.,1990
3. ABO blood group, secretor status and detection of Helicobacter pylori among patients with gastric or duodenal ulcers;Mentis, A.; Blackwell, C.C.; Weir, D.M.; Spiladis, C.; Dailianas, A.; Skandalis, N.;Epidemiol Infect,1991
4. ABO blood groups, secretor status, salivary protein, and serum and salivary immunoglobulin concentrations;Waissbluth, J.G.; Langman, M.J.S.;Gut,1971
5. Blood groups, secretor status and susceptibility to bacterial meningitis;Blackwell, C.C.; Jonsdottir, K.; Weir, D.M.; Hanson, M.F.; Cartwright, K.A.V.; Stewart, J.;FEMS Microbiol Immunol,1989