目的经脱抗原处理的牙本质（HPDD）植入治疗萎缩性鼻炎替代自体骨移植。
Objective To treat atrophic rhinitis by implanting homologue of partly beantigenic dentinum (HPDD) instead of the autogenic bone implantation.
目的经彩超检测妊娠中期孕妇甲状腺上动脉血流，用于评估宫内胎儿骨骼发育。
Objective to detect pregnant women's blood of superior thyroid artery in the second trimester of pregnancy through color ultrasound, to evaluate fetus skeleton development in uterus.
目的经鼻肠管实施肠内营养支持，维持慢性阻塞型肺病呼吸衰竭患者的营养需要。
Purpose Implementation of the nasal tube enteral nutrition, the maintenance of chronic obstructive pulmonary disease with respiratory failure in patients with nutritional needs.
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