Chen, Jing Enantiomeric quantification of the bioactive peptide seryl-histidine methyl ester by electrospray ionization mass spectrometry and the kinetic method. [electronic resource] - Rapid communications in mass spectrometry : RCM 2002 - 1251-3 p. digital Publication Type: Letter ISSN: 0951-4198 Standard No.: 10.1002/rcm.703 doi