| Literature DB >> 4864325 |
G A Ayliffe, B J Collins, E J Lowbury, J R Babb, H A Lilly.
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Year: 1967 PMID: 4864325 PMCID: PMC2130399 DOI: 10.1017/s0022172400046052
Source DB: PubMed Journal: J Hyg (Lond) ISSN: 0022-1724