BibTex format
@article{Simpson:2001:10.1046/j.1365-2222.2001.01050.x,
author = {Simpson, BM and Custovic, A and Simpson, A and Hallam, CL and Walsh, D and Marolia, H and Campbell, J and Woodcock, A},
doi = {10.1046/j.1365-2222.2001.01050.x},
journal = {CLINICAL AND EXPERIMENTAL ALLERGY},
pages = {391--399},
title = {NAC Manchester Asthma and Allergy Study (<SUP>NAC</SUP>MAAS):: risk factors for asthma and allergic disorders in adults},
url = {http://dx.doi.org/10.1046/j.1365-2222.2001.01050.x},
volume = {31},
year = {2001}
}