| Literature DB >> 8192721 |
Abstract
Keywords: Biomedical and Behavioral Research; Journal of the American Medical Association; New England Journal of Medicine
Mesh:
Year: 1993 PMID: 8192721 DOI: 10.1001/jama.269.21.2782
Source DB: PubMed Journal: JAMA ISSN: 0098-7484 Impact factor: 56.272