?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kumar%2C+Chitranshu&rft.aulast=Kumar&rft.aufirst=Chitranshu&rft.issue=2&rft.volume=219&rft.date=28+February+2003&rft.issn=0378-1097&rft.atitle=Utilization+of+glutathione+as+an+exogenous+sulfur+source+is+independent+of+gamma-glutamyl+transpeptidase+in+the+yeast+Saccharomyces+cerevisiae%3A+evidence+for+an+alternative+gluathione+degradation+pathway.&rft.title=FEMS+microbiology+letters&rft.pages=187-94&rft.genre=article