Diagnostics and therapeutics of intestinal obstruction. Diagnostics and therapeutics of intestinal obstruction 并列题名：Diagnostics and therapeutics of intestinal obstruction Diagnosis and therapeutics of tumor complication Diagnostics and therapeutics of intra-extrahepatic cholangiectasis Practical diagnostics and therapeutics of gastrointestinal malignant tumors 并列题名：Diagnostics and therapeutics of intra-extrahepatic cholangiectasis Chang geng zu zhen duan zhi liao xue=: Diagnostics and therapeutics of intestinal obstruction/ chang geng zu zhen duan zhi liao xue=: diagnostics and therapeutics of intestinal obstruction/ 并列题名：Practical diagnostics and therapeutics of gastrointestinal malignant tumors