Mucus Plugs in COPD Are Heterogeneous in Size and Shape and Occur in Relatively Large Airways.

Farooqui ON, Elicker BM, Henry TS, Hahn LD, Kallianos KG, Han MK, Barr RG, Smith BM, Comellas AP, Bon J, Hansel N, Wells JM, Paine R, Barjaktarevic I, Schroeder JD, Woodruff PG, Huang BK, Fahy JV