title: The role of spinal anesthesia today.
mesh_terms: D000775:Anesthesia, Spinal / Q000009:adverse effects; D002045:Bupivacaine / Q000008:administration & dosage / Q000134:cerebrospinal fluid; D006261:Headache / Q000209:etiology; D006801:Humans; D007410:Intestinal Diseases / Q000209:etiology; D009135:Muscular Diseases / Q000209:etiology; D009407:Nerve Block; D009422:Nervous System Diseases / Q000209:etiology; D012677:Sensation; D013748:Tetracaine; D013997:Time Factors; D001745:Urinary Bladder Diseases / Q000209:etiology
chemical_list: D013748:Tetracaine; D002045:Bupivacaine