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Open-Access Journal
Opinion Review
Mohammadreza Ardalan, Leila Chodari, Sepideh Zununi Vahed, Seyed Mahdi Hosseiniyan Khatibi, Aziz Eftekhari, Soodabeh Davaran, Magali Cucchiarini, Leila Roshangar, Elham Ahmadian 
World J Stem Cells 13(12):1813-1825. Published online Dec 26, 2021. doi: 10.4252/wjsc.v13.i12.1813
Review
Ivana Okić-Đorđević, Hristina Obradović, Tamara Kukolj, Anđelija Petrović, Slavko Mojsilović, Diana Bugarski, Aleksandra Jauković 
World J Stem Cells 13(12):1863-1880. Published online Dec 26, 2021. doi: 10.4252/wjsc.v13.i12.1863
Basic Study
Andrea Diana, Maria Dolores Setzu, Zaal Kokaia, Roxana Nat, Cristina Maxia, Daniela Murtas 
World J Stem Cells 13(12):1918-1927. Published online Dec 26, 2021. doi: 10.4252/wjsc.v13.i12.1918