@misc{indiciaebce458fffdfe, title = {Developing a more focal magnetic stimulator. Part I: Some basic principles.}, author = {D Cohen and B N Cuffin}, year = {1991}, doi = {10.1097/00004691-199101000-00013}, url = {https://pubmed.ncbi.nlm.nih.gov/2019645/}, note = {Source identifier: 2019645} }