Clinical and Biological Features of a Thickened Basement Membrane Zone in Asthma.

Leung C, Tang M, Finkbeiner WE, Johansson MW, Denlinger LC, Jarjour NN, Castro M, Sumino K, Erzurum SC, Comhair SA, Moore WC, Hastie AT, Levy BD, Israel E, Phillips BR, Mauger DT, Wenzel SE, Christenson S, Seibold MA, Jackson N, Woodruff PG, Fahy JV, National Heart Lung and Blood Institute Severe Asthma Research Program (SARP)