Patel, Swatee P., Rodriguez, Alina, Little, Mark P., Elliott, Paul, Pekkanen, Juha, Hartikainen, Anna-Liisa, Pouta, Anneli, Laitinen, Jaana, Harju, Terttu, Canoy, Dexter and Järvelin, Marjo-Riitta (2011) Associations between pre-pregnancy obesity and asthma symptoms in adolescents. Journal of Epidemiology and Community Health, 66 (9). pp. 809-814. ISSN 0143-005X (Print), 1470-2738 (Online) (doi:https://doi.org/10.1136/jech.2011.133777)