Modern trends in spinal anaesthesia.
D000368:Aged; D000772:Anesthesia, Local; D000775:Anesthesia, Spinal / Q000009:adverse effects / Q000401:mortality; D006261:Headache / Q000139:chemically induced; D006801:Humans; D008722:Methods; D011183:Postoperative Complications; D011229:Preanesthetic Medication; D011300:Preoperative Care; D013748:Tetracaine; D014662:Vasoconstrictor Agents
D014662:Vasoconstrictor Agents; D013748:Tetracaine