| Literature DB >> 3921126 |
S Singh, J B Dilawari, R Vashist, H S Malhotra, B K Sharma.
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Year: 1985 PMID: 3921126 PMCID: PMC1418710 DOI: 10.1136/bmj.290.6475.1110
Source DB: PubMed Journal: Br Med J (Clin Res Ed) ISSN: 0267-0623