| Literature DB >> 4133474 |
M M Roberts, R Freeman, B King, K Mostoufi, J A Cotterill.
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Year: 1974 PMID： 4133474 DOI： 10.1016/s0140-6736(74)90405-x
Source DB: PubMed Journal: Lancet ISSN： 0140-6736 Impact factor: 79.321