TY - betway必威登陆网址 (betway.com )学报 A1 - 王焕云, 袁金燕, 李希红 T1 - 无痛技术在肿瘤患儿应用超声引导下改良塞丁格PICC置管中的效果 Y1 - 2021-09-01 00:00:00.0 JF - betway必威登陆网址 (betway.com )学报 JO - betway必威登陆网址 (betway.com )学报 SP - 133 EP - 135 VL - 42 IS - 2 UR - {http://xuebao.sdfmu.edu.cn/CN/10.3969/j.issn.1004-7115.2021.02.017} N1 - 10.3969/j.issn.1004-7115.2021.02.017 ER -