ANKUDINOV, I.; GOLOVINA, M.; L’VOV, V.; VANEEVA, N.; VERNER, I.; YOLKINA, S.; APARIN, P. Chromatographically purified Vi-capsular polysaccharide antigen for vaccination against Typhoid fever. Medical Journal of Indonesia, v. 7, n. Supp1, p. 240-6, 1 Oct. 1998.