Obesity and asthma: an association modified by age of asthma onset.
Holguin F, Bleecker ER, Busse WW, Calhoun WJ, Castro M, Erzurum SC, Fitzpatrick AM, Gaston B, Israel E, Jarjour NN, Moore WC, Peters SP, Yonas M, Teague WG, Wenzel SE. Obesity and asthma: an association modified by age of asthma onset. J Allergy Clin Immunol. 2011 Jun; 127(6):1486-93.e2.