Guyatt, 1993, Ann Intern Med, 118, 622, 10.7326/0003-4819-118-8-199304150-00009
Hambleton, 1993, Educ Measure Issues Practices, 12, 38, 10.1111/j.1745-3992.1993.tb00543.x
Hefti, 1993, Knee Surg Sports Traumatol Arthrosc, 1, 226, 10.1007/BF01560215
Hoffman, 1995, Am Optometric Assoc, 66, 281
Irrgang, 2001, Am J Sports Med, 29, 600, 10.1177/03635465010290051301
Irrgang, 1998, J Bone Joint Surg, 80A, 1132, 10.2106/00004623-199808000-00006
Jette, 1994, Phys Ther, 74, 380, 10.1093/ptj/74.5.380
Kessler, 1995, Med Care, 33, AS109
Kirshner, 1985, J Chronic Dis, 38, 27, 10.1016/0021-9681(85)90005-0
McHorney, 1994, Med Care, 32, 40, 10.1097/00005650-199401000-00004
McHorney, 1993, Med Care, 31, 247, 10.1097/00005650-199303000-00006
McSweeny, 1995, Dis Month, 41, 61, 10.1016/S0011-5029(95)90137-X
Sackett, 1993, Can J Cardiol, 9, 487
Stratford, 1996, Phys Ther, 76, 1109, 10.1093/ptj/76.10.1109
Testa, 1996, N Engl J Med, 334, 835, 10.1056/NEJM199603283341306
Verbrugge, 1994, Social Science Med, 38, 1, 10.1016/0277-9536(94)90294-1
Ware, 1992, Med Care, 30, 473, 10.1097/00005650-199206000-00002