@misc{indiciae85648a1cdabb, title = {Immunotherapy trials.}, author = {H A van den Brenk and H B Hewitt}, year = {1977}, doi = {10.1136/bmj.1.6064.835-a}, url = {https://pubmed.ncbi.nlm.nih.gov/322800/}, note = {Source identifier: 322800} }