J Gen Intern Med. 2000 May;15(5):348-9. doi: 10.1046/j.1525-1497.2000.03019.x.
Journal of general internal medicine
C M Clancy
PMID: 10840272 PMCID: PMC1495448 DOI: 10.1046/j.1525-1497.2000.03019.x
[No abstract available.]