| Literature DB >> 7912337 |
K E Orr, F K Gould, J D Perry, M Ford, S Morgan, P R Sisson, D Morrison.
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Year: 1994 PMID: 7912337 DOI: 10.1016/s0140-6736(94)91092-8
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321