ISOLATION OF A CRYSTALLINE PROTEIN FROM PANCREAS AND ITS CONVERSION INTO A NEW CRYSTALLINE PROTEOLYTIC ENZYME BY TRYPSIN

M. Kunitz, J. H. Northrop
1933 Science  
doi:10.1126/science.78.2033.558 pmid:17811936 fatcat:f3ed7rm4vbg2xbqimkb4k2mckq