Retracted: Downregulated microRNA-488 enhances odontoblast differentiation of human dental pulp stem cells via activation of the p38 MAPK signaling pathway
1. Department of Otolaryngology—Head and Neck Surgery, The Second Hospital, Jilin University, Changchun, China;2. Department of Oral Geriatrics, School and Hospital of Stomatology, Jilin University, Changchun, China