Osteoarthritis—The Role of Mesenchymal Stem Cells in Cartilage Regeneration. - Gherghel, Robert; Macovei, Luana Andreea; Burlui, Maria-Alexandra; Cardoneanu, Anca; Rezus, Ioana-Irina; Mihai, Ioana Ruxandra; Rezus, Elena (Applied Sciences (2076-3417), 2023)