TY - RPRT TI - Immobilized trypsin systems coupled on-line to separation methods: recent developments and analytical applications. AU - Gabriella Massolini AU - Enrica Calleri PY - 2005 DO - 10.1002/jssc.200401941 UR - https://pubmed.ncbi.nlm.nih.gov/15688626/ ID - 15688626 ER -