BibTex format
@article{Ross:2006:10.1634/theoncologist.11-7-765,
author = {Ross, JR and Riley, J and Quigley, C and Welsh, KI},
doi = {10.1634/theoncologist.11-7-765},
journal = {ONCOLOGIST},
pages = {765--773},
title = {Clinical pharmacology and pharmacotherapy of opioid switching in cancer patients},
url = {http://dx.doi.org/10.1634/theoncologist.11-7-765},
volume = {11},
year = {2006}
}