| Literature DB >> 9620723 |
A O Anzala, T B Ball, T Rostron, S J O'Brien, F A Plummer, S L Rowland-Jones.
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Year: 1998 PMID: 9620723 DOI: 10.1016/s0140-6736(05)77688-1
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321