Cases discussion of difficut and rare diseases in internal medicine 并列题名：Cases discussion of difficut and rare diseases in internal medicine Thinking and practice of diagnosis and treatment of common diseases in internal medicine Practice in diagnosis and treatment of common diseases in internal medicine 并列题名：Practice in diagnosis and treatment of common diseases in internal medicine Diagnosis and treatment of critical diseases of internal medicine 并列题名：Thinking and practice of diagnosis and treatment of common diseases in internal medicine