Effect Of Mesenchymal Stem Cells Alone Or Combined With Berberine Versus Methotrexate In Experimental Model Of Rheumatoid Arthritis. Research Authors Nashwa A.M.Mostafa, Fatma Y.Meligy, Nahed A.Mohamed and Manal A.M.Hassanin Research Journal 2nd Annual Summit on Cell Therapy and Regenerative Medicine, Atlanta, Georgia, USA Research Member Nashwa Ahmed Mohamed Mostafa Research Year 2018