title: Effects of spinally administered agents on spinal cord blood flow: a need for further studies.
mesh_terms: D000818:Animals; D006801:Humans; D007278:Injections, Spinal; D009020:Morphine / Q000008:administration & dosage; D004364:Pharmaceutical Preparations / Q000008:administration & dosage*; D013116:Spinal Cord / Q000098:blood supply*
chemical_list: D004364:Pharmaceutical Preparations; D009020:Morphine