@article{doi:10.1001/jama.1997.03550050050030, title = {TExt omitted.}, journal = {JAMA}, volume = {278}, number = {5}, pages = {388}, year = {1997}, doi = {10.1001/jama.1997.03550050050030}, URL = { + http://dx.doi.org/10.1001/jama.1997.03550050050030}, eprint = {/data/Journals/JAMA/9960/jama_278_5_030.pdf} }