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Peltola H, Käyhty H, Kuronen T, Haque N, Sarna S, Mäkelä PH. Meningococcus group A vaccine in children three months to five years of age. Adverse reactions and immunogenicity related to endotoxin content and molecular weight of the polysaccharide. J Pediatr. 1978 May;92(5):818–22. doi: 10.1016/s0022-3476(78)80165-6. PMID: 417160. |