@article{doi:10.1001/jama.2012.200, author = {Frank J}, title = {THe before}, journal = {JAMA}, volume = {307}, number = {9}, pages = {921}, year = {2012}, doi = {10.1001/jama.2012.200}, URL = { + http://dx.doi.org/10.1001/jama.2012.200}, eprint = {/data/Journals/JAMA/22492/jpo25002_921_921.pdf} }