title: President's address. The enigmas of spinal analgesia.
mesh_terms: D000328:Adult; D000775:Anesthesia, Spinal / Q000009:adverse effects* / Q000379:methods; D000777:Anesthetics / Q000009:adverse effects / Q000494:pharmacology; D002555:Cerebrospinal Fluid / Q000187:drug effects / Q000502:physiology; D004340:Drug Contamination; D005947:Glucose / Q000494:pharmacology; D006801:Humans; D007239:Infections / Q000209:etiology; D009422:Nervous System Diseases / Q000209:etiology; D013046:Specific Gravity; D013119:Spinal Cord Injuries / Q000209:etiology; D014652:Vascular Diseases / Q000139:chemically induced; D014783:Viscosity
chemical_list: D000777:Anesthetics; D005947:Glucose