| Literature DB >> 4854425 |
R Q Blackwell, P E Soysa, W A De Silva, N Nagaratnam, N Warnasuriya, D D Abeyaratne, N D Ogren, M I Weng.
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Year: 1974 PMID： 4854425
Source DB: PubMed Journal: Trop Geogr Med ISSN： 0041-3232