BibTex format
@article{Durham:1989:10.1136/thx.44.7.582,
author = {Durham, SR and Keenan, J and Cookson, WO and Craddock, CF and Benson, MK},
doi = {10.1136/thx.44.7.582},
journal = {Thorax},
pages = {582--585},
title = {Diurnal variation in serum cortisol concentrations in asthmatic subjects after allergen inhalation.},
url = {http://dx.doi.org/10.1136/thx.44.7.582},
volume = {44},
year = {1989}
}