BibTex format
@article{Wall:2018:10.1136/bmj.k3202,
author = {Wall, J and Jayasena, CN},
doi = {10.1136/bmj.k3202},
journal = {BMJ-BRITISH MEDICAL JOURNAL},
title = {Diagnosing male infertility},
url = {http://dx.doi.org/10.1136/bmj.k3202},
volume = {363},
year = {2018}
}