Ball‐Bearing‐Inspired Polyampholyte‐Modified Microspheres as Bio‐Lubricants Attenuate Osteoarthritis

Small 2020, 16, 2004519 In the originally published article, the pictures in blank and MGS@DMA-SBMA were accidentally presented the same for Day 5 in Figure 4a. The correct Figure 4a is presented below. The authors apologize for any confusion this may have caused.