BibTex format
@article{Laycock:2019:10.1016/j.mpaic.2019.05.009,
author = {Laycock, H and Bantel, C},
doi = {10.1016/j.mpaic.2019.05.009},
journal = {ANAESTHESIA AND INTENSIVE CARE MEDICINE},
pages = {450--455},
title = {Opioid mechanisms and opioid drugs},
url = {http://dx.doi.org/10.1016/j.mpaic.2019.05.009},
volume = {20},
year = {2019}
}