BibTex format
@article{Smith:2019:10.1136/bmj.l93,
author = {Smith, C and Hameed, S and Rose, GE and Wernig, F},
doi = {10.1136/bmj.l93},
journal = {BMJ-BRITISH MEDICAL JOURNAL},
title = {A 61 year old man with pancreatitis, pituitary dysfunction, and painful exophthalmos},
url = {http://dx.doi.org/10.1136/bmj.l93},
volume = {364},
year = {2019}
}