@misc{indiciae4867880bb667, title = {Chemical studies on a basic peptide preparation derived from calf thymus.}, author = {J G HIRSCH and R J DUBOS}, year = {1954}, doi = {10.1084/jem.99.1.65}, url = {https://pubmed.ncbi.nlm.nih.gov/13118064/}, note = {Source identifier: 13118064} }