2019/11/27,.,1,南京市江宁医院新生儿科 赵洪宁,脐血管置管步骤详解（UAC/UVC）,2019/11/27,.,2,2019/11/27,.,3,一、准备器具,2019/11/27,.,4,2019/11/27,.,5,二、计算长度,2019/11/27,.,6,三、开始操作,2019/11/27,.,7,2019/11/27,.,8,2019/11/27,.,9,2019/11/27,.,10,2019/11/27,.,11,2019/11/27,.,12,2019/11/27,.,13,2019/11/27,.,14,2019/11/27,.,15,2019/11/27,.,16,2019/11/27,.,17,2019/11/27,.,18,2019/11/27,.,19,2019/11/27,.,20,2019/11/27,.,21,2019/11/27,.,22,2019/11/27,.,23,2019/11/27,.,24,2019/11/27,.,25,2019/11/27,.,26,2019/11/27,.,27,2019/11/27,.,28,2019/11/27,.,29,2019/11/27,.,30,2019/11/27,.,31,2019/11/27,.,32,2019/11/27,.,33,2019/11/27,.,34,2019/11/27,.,35,2019/11/27,.,36,2019/11/27,.,37,2019/11/27,.,38,2019/11/27,.,39,2019/11/27,.,40,2019/11/27,.,41,2019/11/27,.,42,2019/11/27,.,43,2019/11/27,.,44,2019/11/27,.,45,2019/11/27,.,46,2019/11/27,.,47,Thank you for attention！,