RT Journal Article SR Electronic T1 Clinical Usefulness of Functional Tests of Leg Muscle Strength and Power in Adults With Cystic Fibrosis JF Respiratory Care FD American Association for Respiratory Care SP 240 OP 241 DO 10.4187/respcare.06763 VO 64 IS 2 A1 Kenneth Wu A1 Sunita Mathur YR 2019 UL http://rc.rcjournal.com/content/64/2/240.abstract AB