(Q72638625)
Statements
Updating prognosis in primary biliary cirrhosis using a time-dependent Cox regression model. PBC1 and PBC2 trial groups (English)
E Christensen
D G Altman
J Neuberger
B L De Stavola
N Tygstrup
1 December 1993
scientific article published on 01 December 1993
No description defined