@article{doi:10.1001/jama.1959.73000200004019, title = {DEnmark}, journal = {Journal of the American Medical Association}, volume = {169}, number = {3}, pages = {270-271}, year = {1959}, doi = {10.1001/jama.1959.73000200004019}, URL = { + http://dx.doi.org/10.1001/jama.1959.73000200004019}, eprint = {/data/Journals/JAMA/7972/jama_169_3_019.pdf} }