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机译:An item-level response shift study on the change of health state with the rating of asthma-specific quality of life: a report from the PROMISA (R) Pediatric Asthma Study
South Coll, Sch Pharm, Dept Pharm Practice, Knoxville, TN USA;
DeltaQuest Fdn, Concord, MA USA;
Univ N Carolina, Dept Hlth Policy & Management, Gillings Sch Global Publ Hlth, Chapel Hill, NC USAUniv N Carolina, Cecil G Sheps Ctr Hlth Serv Res, Chapel Hill, NC USASt Jude Childrens Res Hosp, Dept Epidemiol & Canc Control, 262 Denny Thomas Pl, Memphis, TN 38105;