| Literature DB >> 4179534 |
V Ritama, H I Vapaatalo, P J Neuvonen, J E Idänpään-Heikkilä.
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Year: 1969 PMID: 4179534 DOI: 10.1016/s0140-6736(69)91518-9
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321