@misc{indiciae6bc4edda1779, title = {[Serum immunologic changes following long-term trypsin administration].}, author = {S S Feĭgel'man and G V Suvorova and I N Maĭskiĭ}, year = {1967}, url = {https://pubmed.ncbi.nlm.nih.gov/4988394/}, note = {Source identifier: 4988394} }