%0 Journal Article %T Liquid-chromatographic determination of 4-hydroxyproline in urine. %A Hughes,, H %A Hagen,, L %A Sutton, R, A %J Clinical Chemistry %V 32 %N 6 %P 1002-1004 %@ 0009-9147 %D 1986-06-01 %I Oxford Academic %~ DeepDyve