Ann Intern Med. 2012 Dec 18;157(12):JC6-3. doi: 10.7326/0003-4819-157-12-201212180-02003.
Annals of internal medicine
Michael Greenstone
PMID: 23247952 DOI: 10.7326/0003-4819-157-12-201212180-02003
[No abstract available.]