| Literature DB >> 4106660 |
B MacMahon, P Cole, J B Brown, K Aoki, T M Lin, R W Morgan, N Woo.
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Year: 1971 PMID: 4106660 DOI: 10.1016/s0140-6736(71)92504-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321