| Literature DB >> 2881061 |
A A Poltera, O Reyna, G Zea Flores, A M Nowell De Arevalo, F Beltranena.
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Year: 1987 PMID: 2881061 DOI: 10.1016/s0140-6736(87)92112-x
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321