1.
N Engl J Med
; 351(21): 2239-41; author reply 2239-41, 2004 Nov 18.
Article
in English
| MEDLINE
| ID: mdl-15559963
2.
N Engl J Med
; 351(21): 2239-41; author reply 2239-41, 2004 Nov 18.
Article
in English
| MEDLINE
| ID: mdl-15548789