Adances in medical technology are allowing hospitals to sae money by shortening hospital stays, Daid said. 大卫说，医学技术进步允许医院通过缩短住院时间节省住院费用。
We report a hospital charge-analysis comparing ProDisc lumbar disc replacement with circumferential fusion for discogenic low back pain. 我们这一研究应用人工腰椎间盘置换和外周融合处理盘源性下腰痛，对其住院费用进行分析比较。
