Objective To analyze the clinical and ultrasonographic imaging features of intraductal papillary mucinous neoplasm(IPMN) of the pancreas.Methods Twelve patients
LIMAS and Tio1 proposed the term meningeal melanocytoma first time in 1972 to describe a primary melanotic tumor of the leptomeninges with prolonged clinical co
<正>SURGICAL mesh is a metallic or polymeric screen intended to be implanted to reinforce soft tissue or bone where weakness exists.Surgical mesh has been used
<正>KETAMINE is an anaesthetic agent characterized by a rapid onset and short duration of action,but it has increasingly been abused as a'clubdrug'since