| Literature DB >> 4114718 |
J R Hoyer, R L Vernier, J S Najarian, L Raij, R L Simmons, A F Michael.
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Year: 1972 PMID: 4114718 DOI: 10.1016/s0140-6736(72)91734-5
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321