1. Hyaluronic acid injections reduce knee load during stair climbing in knee osteoarthritis patients 
N. Khalaj, N.A. Osman, W. Wan Abas, A. Mokhtar 
Osteoarthritis and Cartilage 
Volume 24, (April 2016)
DOI: /j.joca
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2. Figure 1. Ascending stairs
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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3. Figure 2. Descending Stair
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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