@misc{indiciae2948de931b56, title = {[Interactions between various transition elements in their effect on pepsin activity].}, author = {H Steinhart and M Kirchgessner and M G Beyer}, year = {1976}, doi = {10.1080/17450397609426733}, url = {https://pubmed.ncbi.nlm.nih.gov/795402/}, note = {Source identifier: 795402} }