Safety and Efficacy of Adipose-Derived Mesenchymal Stem Cells for Knee Osteoarthritis: A Systematic Review and Meta-Analysis Research Authors M Gadelkarim, A Hafez, AK Awad, MA Shehata, A AbouEl-Enein, ... Research Date Sat, 1 Jan 2022 - 12:00 Research Department Department of Rheumatology ,Rehabilitation & physical medicine Research Journal Joint Bone Spine, 105404 Research Member Ahmed Abdel Khalek Hafez