| Literature DB >> 1978143 |
M Upadhyaya, P W Lunt, M Sarfarazi, W Broadhead, J Daniels, M Owen, P S Harper.
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Year: 1990 PMID: 1978143 DOI: 10.1016/0140-6736(90)93005-a
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321