@article{doi:10.1001/jama.281.20.1959, title = {MAy 26, 1999}, journal = {JAMA}, volume = {281}, number = {20}, pages = {1959-1960}, year = {1999}, doi = {10.1001/jama.281.20.1959}, URL = { + http://dx.doi.org/10.1001/jama.281.20.1959}, eprint = {/data/Journals/JAMA/4639/JME90011.pdf} }