An accurate and convenient method is essential for measuring the terminal velocity of seeds dispersed by wind.Systematic......

目的 探讨喉罩通气下全身麻醉在腹腔镜阑尾切除术中的应用价值.方法 106例采用腹腔镜阑尾切除术患者,在知情同意情况下按入院单双......