The First Affiliated Hospital of Harbin Medical University Harbin ChinaSchool of Stomatology Harbin Medical University Harbin China;
The First Affiliated Hospital of Harbin Medical University Harbin ChinaSchool of Stomatology Harbin Medical University Harbin China;
The First Affiliated Hospital of Harbin Medical University Harbin ChinaSchool of Stomatology Harbin Medical University Harbin China;
The First Affiliated Hospital of Harbin Medical University Harbin ChinaSchool of Stomatology Harbin Medical University Harbin China;
The First Affiliated Hospital of Harbin Medical University Harbin ChinaSchool of Stomatology Harbin Medical University Harbin China;