TY  - RPRT
TI  - Proteolytic enzymes.
AU  - A K BALLS
AU  - E F JANSEN
PY  - 1952
DO  - 10.1146/annurev.bi.21.070152.000245
UR  - https://pubmed.ncbi.nlm.nih.gov/12977099/
ID  - 12977099
ER  -