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Chen,Y.S., Christensen,J.E., Broadbent,J.R. and Steele,J.L.
Identification and characterization of Lactobacillus helveticus PepO2, an endopeptidase with post-proline specificity
Appl Environ Microbiol (2003) 69, 1276-1282. PubMed Europe PubMed DOI
2003
