On the one hand, there was a serious grain trade deficit, and on the other hand, people s livelihood was miserable and large-scale famines occured frequently.

Interventional ultrasound guided retroperitoneoscopic renal cystdecortication in patients with autosomal dominant polycystic kidney disease;

Application of interventional ultrasound treatment in fulminant acute pancreatitis;

Diagnostic value of interventional ultrasound in mediastinal substantial neoplasm

Analgesia on pancreatic carcinoma with chemical destruction of celiac ganglion by ultrasonic intervention;

Cytodiagnosis of liver parenchyma tumor by ultrasonic intervention;

Physically-assisted transdermal drug delivery is the transport of compounds across the skin using optical, mechanical and electrical factors, including iontophoresis, sonophoresis, electroporation, photomechanical wave and magnetophoresis.

Studying the Local Anesthesia Skill in Treating Cyst with Ultrasound Intervention Operation;