Wipa Ngamsutikul. (2000) Risk factors associated with osteoarthritis of the knee and quality of life. Mahidol University,:ม.ป.ท.Wipa Ngamsutikul. 2000. Risk factors associated with osteoarthritis of the knee and quality of life. ม.ป.ท.:Mahidol University,;Wipa Ngamsutikul. Risk factors associated with osteoarthritis of the knee and quality of life. ม.ป.ท.:Mahidol University, 2000. Print.