BibTex format
@article{Real:2007:10.1016/j.jaci.2007.04.041,
author = {Real, FG and Svanes, C and Omenaas, ER and Anto, JM and Plana, E and Janson, C and Jarvis, D and Zemp, E and Wjst, M and Leynaert, B and Sunyer, J},
doi = {10.1016/j.jaci.2007.04.041},
journal = {JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY},
pages = {557--564},
title = {Menstrual irregularity and asthma and lung function},
url = {http://dx.doi.org/10.1016/j.jaci.2007.04.041},
volume = {120},
year = {2007}
}