Optimizing Combination Hyaluronic Acid and Platelet-Rich Plasma Injections: Does Composition of Hyaluronic Acid Product Matter?

1Department of Physical Medicine, Mayo Clinic, Rochester, MN, and Rehabilitation 2Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN Address for correspondence: Allison N. Schroeder, MD, Mayo Clinic Square, Suite 310, 600 Hennepin Ave, Minneapolis, MN 55403; E-mail: [email protected].