| Literature DB >> 5672784 |
S Punyagupta, C Limtrakul, P Vichipanthu, C Karnchanachetanee, S W Nye.
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Year: 1968 PMID: 5672784 DOI: 10.4269/ajtmh.1968.17.551
Source DB: PubMed Journal: Am J Trop Med Hyg ISSN: 0002-9637 Impact factor: 2.345