| Literature DB >> 9113004 |
Abstract
Keywords: Biomedical and Behavioral Research; Lancet; New England Journal of Medicine
Mesh:
Year: 1997 PMID: 9113004 DOI: 10.1016/S0140-6736(97)22016-7
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321