AUTHOR=Pabinger Christof , Kobinia Georg Stefan , Dammerer Dietmar TITLE=Injection therapy in knee osteoarthritis: cortisol, hyaluronic acid, PRP, or BMAC (mesenchymal stem cell therapy)? JOURNAL=Frontiers in Medicine VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2024.1463997 DOI=10.3389/fmed.2024.1463997 ISSN=2296-858X