title: Analysis of paired data in physical therapy research: time to stop double-dipping?
authors.forename: Hylton B
authors.initials: HB
authors.lastname: Menz
mesh_terms: D003627:Data Interpretation, Statistical; D005121:Extremities; D006801:Humans; D009140:Musculoskeletal Diseases / Q000628:therapy; D026761:Physical Therapy Specialty / Q000379:methods*; D012107:Research Design