| Literature DB >> 7312744 |
P J Congdon, J M Littlewood, R K Aggarwal, H Shapiro.
Abstract
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Year: 1981 PMID: 7312744 PMCID: PMC2424973 DOI: 10.1136/pgmj.57.669.453
Source DB: PubMed Journal: Postgrad Med J ISSN: 0032-5473 Impact factor: 2.401