BibTex format
@article{1990:10.1136/bmj.301.6753.651,
doi = {10.1136/bmj.301.6753.651},
journal = {BMJ},
pages = {651--653},
title = {Guidelines for management of asthma in adults: I--Chronic persistent asthma. Statement by the British Thoracic Society, Research Unit of the Royal College of Physicians of London, King's Fund Centre, National Asthma Campaign.},
url = {http://dx.doi.org/10.1136/bmj.301.6753.651},
volume = {301},
year = {1990}
}