abstract |
The hyaluronic acid gel is formed by coexisting hyaluronic acid, water having a hyaluronic acid concentration of 5% by mass or more, and a carboxyl group of the hyaluronic acid and an equimolar or more acid component, and maintaining the coexistence state.n n n n Hyaluronic acid, arthrosis, embolism, cartilage injection, surrogate vitreous |