Ankudinov, I., Golovina, M., L’vov, V., Vaneeva, N., Verner, I., Yolkina, S. and Aparin, P. 1998. Chromatographically purified Vi-capsular polysaccharide antigen for vaccination against Typhoid fever. Medical Journal of Indonesia. 7, Supp1 (Oct. 1998), 240-6. DOI:https://doi.org/10.13181/mji.v7iSupp1.1125.