3US Department of Labour.CTD News.http//ctdnews.com./bls.html.1999.
4Szabo RM. Carpal tunnel syndrome as a repetitive motion disorder. Clin Orthop, 1998,351:78-89.
5Szabo RM, Chidgey LK. Stress carpal tunnel pressures in patients with carpal tunnel syndrome and normal patients. J Hand Surg, 1989, 14:624-627.
6Buckle PW. Work factors and upper limb disorders. BMJ, 1997,315:1360-1363.
7Werner RA, Armstrong TJ. Carpal tunnel syndrome: ergonomic risk factors and intra carpal canal pressure. Physical Medicine and Rehabilitation Clinics of North America, 1997,8:555-569.
8Simoneau GG, Marklin RW, Monroe JF. Wrist and forearm postures of users of conventional computer keyboards. Hum Factors, 1999,41:413-424.
9Marklin RW, Simoneau GG, Monroe JF. Wrist and forearm posture from typing on split and vertically inclined computer keyboards. Hum Factors, 1999,41: 559-569.
10Liao MH, Drury CG. Posture, discomfort and performance in a VDT task. Ergonomics, 2000,43: 345-359.