| Literature DB >> 11712902 |
Abstract
Keywords: Biomedical and Behavioral Research; Health Care and Public Health
Mesh:
Year: 2001 PMID: 11712902 DOI: 10.7326/0003-4819-135-10-200111200-00032
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391