1. Dellhag B, Hosseini N, Bremell T, Ingvarsson PE (2001) Disturbed grip function in women with rheumatoid arthritis. J Rheumatol 28(12):2624–2633
2. O’Dell JR (2001) Rheumatoid arthritis: the clinical picture. In: Koopman WJ (ed) Arthritis and allied conditions, 14th edn. Lippincott Williams & Wilkins, Philadelphia, pp 1153–1186
3. Beeamy N, Buchanan WW (2001) Clinical evaluation in the rheumatic disease. In: Koopman WJ (ed) Arthritis and allied conditions, 14th edn. Lippincott Williams & Wilkins, Philadelphia, pp 51–57
4. Ritchie DM, Boyle JA, McInnes JM et al (1968) Clinical studies with an articular index for the assessment of joint tenderness in patients with rheumatoid arhritis. Quart J Med N Ser XXXVII:393–406
5. Catherine A, Keeling C (2002) Range of motion measurement of the hand. In Mackin EJ, Callahan AD, Skirven TM, Schneider LH, Osterrman AL (eds) Rehabilitation of the hand and upper extremity, 5th edn. Mosby Inc, St Louis, MO, pp 169–182