1. Objective To estimate the differential diagnosis value of Color Doppler Ultrasound to obstructive jaundice. Ŀ��̽�ֲ�ɫ�����ճ����Թ����Ի���ļ�����ϼ�ֵ��
2. Objective To study the nursing of patients with obstructive jaundice by distortion of biliary tract after ultimate resection of right liver. Ŀ��̽�ָΰ�����Ҷ�г������������Ҷ�ʴ��µ���Ť���¹����Ի�����ٴ�������
3. Objective To explore the prevention and management of complications during the perioperative period of obstructive sleep apnea-hypopnea syndrome (OSAHS). Ŀ���ܽ�������˯�ߺ�����ͣ��ͨ���ۺ�����OSAHS������Χ�����ڲ���֢��Ԥ����������
