1. Osteoarthritis and Cartilage
Transforming growth factor-β elicits a calcium response in chondrocytes ex vivo 
R. Parekh, A. Clark 
Osteoarthritis and Cartilage 
Volume 21, (April 2013)
DOI: /j.joca
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2. Figure 1
Graph of percent of cells responding as a function of TGF-β or vehicular control concentration. “a” indicates a significant (p<0.01) difference when compared to respective control.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
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