@article{doi:10.1001/jama.1919.02610040064029, author = {Kelly B}, title = {"A registration fee for physicians"}, journal = {Journal of the American Medical Association}, volume = {72}, number = {4}, pages = {298-299}, year = {1919}, doi = {10.1001/jama.1919.02610040064029}, URL = { + http://dx.doi.org/10.1001/jama.1919.02610040064029}, eprint = {/data/Journals/JAMA/5589/jama_72_4_029.pdf} }