%0 Journal Article %B BMJ %D 2017 %G eng %P j760 %R 10.1136/bmj.j760 %T Association between concurrent use of prescription opioids and benzodiazepines and overdose: retrospective analysis. %V 356 %1 https://www.ncbi.nlm.nih.gov/pubmed/28292769 %8 03/2017