@misc{indiciae87bfd7fcbe4a, title = {An active-site titration method for immobilized trypsin.}, author = {J R Ford and R P Chambers and W Cohen}, year = {1973}, doi = {10.1016/0005-2744(73)90329-x}, url = {https://pubmed.ncbi.nlm.nih.gov/4736150/}, note = {Source identifier: 4736150} }