| Literature DB >> 4603133 |
S Punyagupta, T Srichaikul, P Nitiyanant, B Petchclai.
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Year: 1974 PMID: 4603133 DOI: 10.4269/ajtmh.1974.23.551
Source DB: PubMed Journal: Am J Trop Med Hyg ISSN: 0002-9637 Impact factor: 2.345