Cella D, Eton DT, Faircloth DL, Bonomi P, Heyes AE, Silberman C, Wolf MK, Johnson DH. What is a clinically meaningful change on the Functional Assessment of Cancer Therapy - Lung (FACT-L) questionnaire? Results from Eastern Cooperative Group (ECOG) Study 5592. J Clin Epidemiol. 2002 Mar;55(3):285-95.
Earnshaw SR, Richter A, Sorensen SW, Hoerger TJ, Hicks KA, Engelgau M, Thompson T, Narayan KMV, Williamson DE, Gregg E, Zhang P. Optimal allocation of resources across four interventions for type 2 diabetes. Med Decis Making. 2002 Jan 1;22(5):S80-91.