@article{doi:10.1001/archinternmed.2011.213, author = {Grady D and Berkowitz SA and Katz MH}, title = {OPioids for chronic pain}, journal = {Archives of Internal Medicine}, volume = {171}, number = {16}, pages = {1426-1427}, year = {2011}, doi = {10.1001/archinternmed.2011.213}, URL = { + http://dx.doi.org/10.1001/archinternmed.2011.213}, eprint = {/data/Journals/INTEMED/22526/ied15004_1426_1427.pdf} }