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