Human gingival mesenchymal stem cells-lyosecretome attenuates adverse effect of hydrogen peroxide-induced oxidative stress on osteoblast cells oleh Banun Kusumawardani, PhD, Muhammad Nurul Amin, PhD, Yani C. Rahayu, drg, Desi S. Sari, PhD, Morin I. Altariq, Arini H. Putri, Amara Kanya, Chiquita Prahasanti, PhD, Mohammed A. Aljunaid, MDS