Chowdhury Badrul A, Dal Pan Gerald
Division of Pulmonary and Allergy Products, Office of New Drugs, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD, USA.
N Engl J Med. 2010 Apr 1;362(13):1169-71. doi: 10.1056/NEJMp1002074. Epub 2010 Feb 24.