| Literature DB >> 10189333 |
Abstract
Keywords: Empirical Approach; Health Care and Public Health
Mesh:
Year: 1999 PMID: 10189333 DOI: 10.7326/0003-4819-130-7-199904060-00023
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391