%0 Journal Article %B Nephron Clinical Practice %D 2011 %G eng %M 21832844 %P c195-9; discussion c199 %T Is doubling of serum creatinine a valid clinical 'hard' endpoint in clinical nephrology trials? %V 119 %7 2011/08/13 %@ 1660-2110 (Electronic)1660-2110 (Linking)