L’vov, V., Verner, I., Golovina, M., & Aparin, P. (1998). Immunobiological characterization of low toxic & pyrogenic lipopolysaccharide from <em>Salmonella typhi</em>. Medical Journal of Indonesia, 7(Supp1), 247–51. https://doi.org/10.13181/mji.v7iSupp1.1126