A.A.FelixA.A., R. MargaretR.M.PittR. MargaretR.M., The pathogenic and immunogenic activities of Salmonella typhi in relation to its antigenic constituents, „The Journal of Hygiene”, 49 (1), 1951, s. 92–110, DOI: 10.1017/s0022172400015394, ISSN0022-1724, PMID: 20475842, PMCID: PMC2234993 [dostęp 2021-09-27].
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A.A.FelixA.A., R. MargaretR.M.PittR. MargaretR.M., The pathogenic and immunogenic activities of Salmonella typhi in relation to its antigenic constituents, „The Journal of Hygiene”, 49 (1), 1951, s. 92–110, DOI: 10.1017/s0022172400015394, ISSN0022-1724, PMID: 20475842, PMCID: PMC2234993 [dostęp 2021-09-27].
A.A.FelixA.A., R. MargaretR.M.PittR. MargaretR.M., The pathogenic and immunogenic activities of Salmonella typhi in relation to its antigenic constituents, „The Journal of Hygiene”, 49 (1), 1951, s. 92–110, DOI: 10.1017/s0022172400015394, ISSN0022-1724, PMID: 20475842, PMCID: PMC2234993 [dostęp 2021-09-27].