| Literature DB >> 2893204 |
M G Elder, M de Swiet, A Robertson, M A Elder, E Flloyd, D F Hawkins.
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Year: 1988 PMID: 2893204 DOI: 10.1016/s0140-6736(88)91198-1
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321