TY - RPRT TI - Severe asthma: lessons from the Severe Asthma Research Program. AU - Sally E Wenzel AU - William W Busse AU - National Heart, Lung, and Blood Institute's Severe Asthma Research Program PY - 2007 DO - 10.1016/j.jaci.2006.10.025 UR - https://pubmed.ncbi.nlm.nih.gov/17208583/ ID - 17208583 ER -