1.
Dtsch Arztebl Int
; 108(41): 696; author reply 697, 2011 Oct.
Article
in English
| MEDLINE
| ID: mdl-22114635
2.
Dtsch Arztebl Int
; 105(1-2): 22; author reply 23-4, 2008 Jan.
Article
in English
| MEDLINE
| ID: mdl-19578451