%0 Journal Article %T A protease-free assay for peptidyl prolyl cis/trans isomerases using standard peptide substrates. %A Janowski, B %A Wöllner, S %A Schutkowski, M %A Fischer, G %J Analytical Biochemistry %V 252 %N 2 %P 299-307 %@ 0003-2697 %D 1997-11-21 %~ DeepDyve