Motor, affective, cognitive, and perceptual symptom changes over time in individuals with Parkinson's disease who develop freezing of gait. - Faerman MV; Cole C; Van Ooteghem K; Cornish BF; Howe EE; Siu V; Norouzian P; Black A; Fraser JE; Grimes DA; Jog M; Kwan D; et al. (Journal of neurology, 2025)