| Literature DB >> 1580455 |
Abstract
Keywords: Annals of Internal Medicine; Health Care and Public Health
Mesh:
Substances:
Year: 1992 PMID: 1580455 DOI: 10.7326/0003-4819-116-11-951
Source DB: PubMed Journal: Ann Intern Med ISSN: 0003-4819 Impact factor: 25.391