Hormonal contraception increases risk of asthma among obese but decreases it among nonobese subjects: a prospective, population-based cohort study
Melanie C. Matheson, John A. Burgess, Melisa Y.Z. Lau, Adrian J. Lowe, Lyle C. Gurrin, John L. Hopper, Graham G. Giles, David P. Johns, E. Haydn Walters, Michael J. Abramson, Francisco Gómez Real, Shyamali C. Dharmage
ERJ Open Research Oct 2015, 1 (2) 00026-2015; DOI: 10.1183/23120541.00026-2015