The influence of post-operative analgesia and operative procedure on post-operative lung function: a comparison of morphine with extradural nerve block.
D000775:Anesthesia, Spinal; D006801:Humans; D000860:Hypoxia / Q000209:etiology; D008168:Lung / Q000502:physiology*; D008297:Male; D009020:Morphine / Q000627:therapeutic use*; D011182:Postoperative Care; D011183:Postoperative Complications; D013147:Spirometry
D009020:Morphine