F. . Shaikh, N. . Karim, K. . Mahmood, and M. I. . Ghauri, “Grip Strength Test A Simple Functional Adjunct Tool for Rheumatoid Arthriris ”, J. Bahria Univ. Med. Dent. Coll., vol. 3, no. 2, pp. 56–61, Dec. 2013.