4) Emil A, Tal E: Relationship between physical disability and functional capacity in hemiplegic patients. Arch Phys Med Rehabil, 1965, 46: 745-752 .
5) Carolee JW, Elizabeth R, Donald R, et al.: Standing balance training: effect on balance and locomotion in hemiparetic adults. Arch Phys Med Rehabil, 1989, 70: 755-762.