目的：观察胶原蛋白海绵在皮肤扩张术中的临床应用效果。
Objective To observe the effect of collagen sponge in the operation of expander .
目的：观察磁性附着体的临床应用效果。
Objective: To observe the clinical effect of magnetic attachment with overdenture.
目的观察无菌干罐持物钳在手术室的应用效果。
Objective To discuss the effect of dry POTS in preserving forceps in the operation room.
目的：观察亚甲兰在腰交感神经节阻滞术中应用的可能性并评估其治疗效果。
Objective: To observe the possibility to apply methylene blue on lumber sympathetic ganglion block.
目的：观察多功能清洗机的临床应用效果。
Objective: To observe the efficacy of multifunctional wash machine in clinical practice.
目的观察疝环充填无张力疝修补术的临床应用效果。
Objective To observe the clinical effect of plug mesh hernia repair.
目的观察疝环充填无张力疝修补术的临床应用效果。
Objective To observe the clinical effect of plug mesh hernia repair.
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