TY - betway必威登陆网址 (betway.com )学报 A1 - 何友利, 孔静 T1 - 老年腹腔镜手术患者应用瑞芬太尼与七氟烷复合麻醉的效果 Y1 - 2021-06-25 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 - 442 EP - 444 VL - 42 IS - 6 UR - http://xuebao.sdfmu.edu.cn N1 - 10.3969/j.issn.2097-0005.2021.06.012 ER -