BibTex format
@article{Patel:2012:10.1136/jech.2011.133777,
author = {Patel, SP and Rodriguez, A and Little, MP and Elliott, P and Pekkanen, J and Hartikainen, A-L and Pouta, A and Laitinen, J and Harju, T and Canoy, D and Jaervelin, M-R},
doi = {10.1136/jech.2011.133777},
journal = {Journal of Epidemiology and Community Health},
pages = {809--814},
title = {Associations between pre-pregnancy obesity and asthma symptoms in adolescents},
url = {http://dx.doi.org/10.1136/jech.2011.133777},
volume = {66},
year = {2012}
}