Minimal Important Difference for Physical Activity and Validity of the International Physical Activity Questionnaire in Interstitial Lung Disease.
Hur SA, Guler SA, Khalil N, Camp PG, Guenette JA, Swigris JJ, Ryerson CJ. Minimal Important Difference for Physical Activity and Validity of the International Physical Activity Questionnaire in Interstitial Lung Disease. Ann Am Thorac Soc. 2019 01; 16(1):107-115.