Minimizing attrition in a long-term clinical trial of pediatric asthma

Bruce G. Bender(National Jewish Health), Stanley J. Szefler(Children's Hospital Colorado), D. Sundström(National Jewish Health), Melanie Gleason(National Jewish Health), James R. Murphy(University of Liverpool), Misoo C. Ellison(University of Colorado Anschutz Medical Campus)
Annals of Allergy Asthma & Immunology
August 1, 2003
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