1990
  1. Khalid,N.M. and Marth,E.H. \<br\>Purification and partial characterization of a prolyl-dipeptidyl aminopeptidase from Lactobacillus helveticus CNRZ 32\<br\>Appl Environ Microbiol (1990) 56, 381-388. PubMed  Europe PubMed