1.
JAMA Intern Med
; 175(5): 861, 2015 May.
Article
in English
| MEDLINE
| ID: mdl-25938310
2.
Ann Intern Med
; 145(3): 231-2; author reply 232-3, 2006 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-16880468