@article{doi:10.1001/archinternmed.2011.452, author = {Williamson O}, title = {OPioids and dose-related deaths—association or causation?}, journal = {Archives of Internal Medicine}, volume = {171}, number = {18}, pages = {1687-1689}, year = {2011}, doi = {10.1001/archinternmed.2011.452}, URL = { + http://dx.doi.org/10.1001/archinternmed.2011.452}, eprint = {/data/Journals/INTEMED/22531/ilt1010_1687a_1688.pdf} }