| Literature DB >> 4183149 |
R J Wilson, I A McGregor, P Hall, K Williams, R Bartholomew.
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Year: 1969 PMID: 4183149 DOI: 10.1016/s0140-6736(69)91437-8
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321