?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ganguli%2C+Dwaipayan&rft.aulast=Ganguli&rft.aufirst=Dwaipayan&rft.issue=9&rft.volume=55&rft.date=September+2003&rft.issn=1521-6543&rft.atitle=Why+is+glutathione+(a+tripeptide)+synthesized+by+specific+enzymes+while+TSH+releasing+hormone+(TRH+or+thyroliberin)%2C+also+a+tripeptide%2C+is+produced+as+part+of+a+prohormone+protein%3F&rft.title=IUBMB+life&rft.pages=553-4&rft.genre=article