| Literature DB >> 4288244 |
T G Murrell, J R Egerton, A Rampling, J Samels, P D Walker.
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Year: 1966 PMID: 4288244 PMCID: PMC2134745 DOI: 10.1017/s0022172400040663
Source DB: PubMed Journal: J Hyg (Lond) ISSN: 0022-1724