APA

Chang A. K., Bijur P. E., Campbell C. M., Murphy M. K. & Gallagher E. J. (20090811). Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol. : Annals of emergency medicine.

Chicago

Chang Andrew K, Bijur Polly E, Campbell Caron M, Murphy Mary K and Gallagher E John. 20090811. Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol. : Annals of emergency medicine.

Harvard

Chang A. K., Bijur P. E., Campbell C. M., Murphy M. K. and Gallagher E. J. (20090811). Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol. : Annals of emergency medicine.

MLA

Chang Andrew K, Bijur Polly E, Campbell Caron M, Murphy Mary K and Gallagher E John. Safety and efficacy of rapid titration using 1mg doses of intravenous hydromorphone in emergency department patients with acute severe pain: the "1+1" protocol. : Annals of emergency medicine. 20090811.