1. Aber, R. C., Mccarthy, M. A., Berman, R., Demelli, T., and White, E., An outbreak of Yersinia enterocolitica among members of a Brownie troop in Pennsylvania, Program and Abstracts of the Twenty-Second Interscience Conference on Antimicrobial Agents and Chemotherapy, Miami Beach, American Society for Microbiology, Washington, D.C., 1982.
2. Agbonlahor, D. E., Odugbemi, T. O., and Dosunmuogunbi, O., Isolation of species of Yersinia from patients with gastroenteritis in Nigeria, J. Med. Microbiol. 16:93–96 (1983).
3. Agner, E., Eriksen, M., Hollnagel, H., Larsen, J. H., Morck, H. I., and Schroll, M., Prevalence of raised Yersinia enterocolitica antibody titre in unselected, adult populations in Denmark during 12 years, Acta Med. Scand. 209:509–512 (1981).
4. Aho, K., Ahvonen, P., Lassus, A., Sievers, K., and Tiilikainen, A., Hl-A antigen and reactive arthritis, Lancet 2:157 (1973).
5. Ahvonen, P., Human yersiniosis in Finland. I. Bacteriology and serology, Ann. Clin. Res. 4:30 (1972).