| Literature DB >> 2823955 |
C P Thakur1, K Kumar, P K Sinha, B N Mishra, A K Pandey.
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Year: 1987 PMID: 2823955 PMCID: PMC1247932 DOI: 10.1136/bmj.295.6603.886-a
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623