Fig. 5From: Cartilage boundary lubrication synergism is mediated by hyaluronan concentration and PRG4 concentration and structureEffect of addition of hylan G-F20 on PRG4 cartilage boundary lubricating ability. μstatic,Neq (a), and <μkinetic,Neq> at Tps = 1.2 s (b) for hylan G-F20 ± [PRG4] = 450 μg/mL (Test 3). * = p < 0.05Back to article page