@misc{indiciae7b3ffebf5c37, title = {The U.S. focoscan method.}, author = {von ARDENNE and R MILLNER}, year = {1962}, doi = {10.1109/tbmel.1962.4322981}, url = {https://pubmed.ncbi.nlm.nih.gov/13862115/}, note = {Source identifier: 13862115} }