Figure 8.

Macroscopic images of the right knee surface of rabbits on day 28. Where a: normal, b: OA, c: OA + 1% Diclofenac-gel, d: OA + 0.5% BTM-MBH, e: OA + 1% BTM-MBH, and f: OA + 1% BTM-EG. The black arrows indicate the damaged areas. Reprintedwith permission from Springer Nature: Drug Deliv Transl res, Topical delivery of 3,5,4′-trimethoxy-trans-stilbene-loaded microemulsion-based hydrogel for the treatment of osteoarthritis in a rabbit model, Hu XB, Kang RR, Tang TT, et al, Copyright 2019.¹⁷⁹