1. Pyun SB, Yang H, Lee S, Yook J, et al. (2009). A home programme for patients with cognitive dysfunction: A pilot study. Brain Injury 23(7-8):686-692.
2. Hui E, Yang H, Chan LS, Or K, et al. (2006). A community model of group rehabilitation for older patients with chronic heart failure: a pilot study. Disability and Rehabilitation 28(23):1491-7.