@misc{indiciae116f9ca68976, title = {A new ionization chamber system for regularly checking x-ray therapy machines.}, author = {L STANTON and D A LIGHTFOOT}, year = {1962}, doi = {10.1148/78.5.790}, url = {https://pubmed.ncbi.nlm.nih.gov/13916280/}, note = {Source identifier: 13916280} }