Ann Intern Med. 2012 Jul 17;157(2):JC2-5. doi: 10.7326/0003-4819-157-2-201207170-02005.
Annals of internal medicine
Ronald L Koretz
PMID: 22801697 DOI: 10.7326/0003-4819-157-2-201207170-02005
[No abstract available.]