In those days, dentistry was basic. Extractions were carried out without anaesthetic.那时候，牙科学刚起步，拔牙都不打麻药。His work was important in helping establish dentistry as a separate profession.他在推动牙医学发展成一门独立学科的过程中发挥了重要作用.Health Sc...
Results 17 cases have been treated effectively, 1 case balloon ruptured, 1 case parafunction of blood coagulability.结果在应用双气囊三腔管治疗的19例患者中,有效止血17例, 气囊破裂1例, 凝血功能障碍1例.PROGRESSIVE BALLOON DILATATION UNDER ENDOSCOPE FOR ACHALA...