TY - GEN AU - Kassel,D B AU - Biemann,K TI - Differentiation of hydroxyproline isomers and isobars in peptides by tandem mass spectrometry SN - 0003-2700 PY - 1990///1016 KW - Hydroxyproline KW - analysis KW - Isomerism KW - Mass Spectrometry KW - Peptides KW - Thermodynamics N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1021/ac00214a032 ER -