title: The use of rectal clonidine in the perioperative period.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects; D003000:Clonidine / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D007430:Intraoperative Care; D008875:Middle Aged; D012007:Rectum
chemical_list: D003000:Clonidine