Nguyen, D. T.; Le, N. L. STUDY ON CLINICAL CHARACTERISTICS, PRE-CLINICAL OBSERVATION, AND EVALUATION OF OUTCOMES OF PREMAXILLARY BONE DEFECT SURGERY WITH ALLOGENOUS BONE GRAFTS COMBINED WITH PLATELET-RICH PLASMA AND COVERED WITH PERIOSTEAL MEMBRANE AT THE CAN THO EYE AND DENTAL MAXILLO FACIAL HOPITAL IN 2022 - 2023. ctump 2023, 203-211.