3) Cheng P-T: The sit-to-stand movement in stroke patients and Its correlation with falling. Arch Phys Med Rehabil, 1998, 79: 1043-1046.
4) Eng JJ, Chu KS: Reliability and comparison of weight-bearing ability during standing tasks for Individuals with choronic stroke. Arch Phys Med Rehabil, 2002, 83: 1138-1144.
5) Cheng P-T: Symmetrical body-weight distributin training in stroke patients and its effect on fall prevention. Arch Phys Med Rehabil, 2001, 82: 1650-1654.