| Literature DB >> 9950461 |
Abstract
Entities:
Keywords: Analytical Approach; Biomedical and Behavioral Research
Mesh:
Substances:
Year: 1999 PMID: 9950461 DOI: 10.1016/S0140-6736(98)01373-7
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321