BibTex format
@article{Nutt:2019:10.1136/bmj.l1903,
author = {Nutt, D},
doi = {10.1136/bmj.l1903},
journal = {BMJ-BRITISH MEDICAL JOURNAL},
title = {ESSAY Why medical cannabis is still out of patients' reach-an essay by David Nutt},
url = {http://dx.doi.org/10.1136/bmj.l1903},
volume = {365},
year = {2019}
}