头孢丙烯与头孢克洛随机对照治疗下呼吸道感染患者的临床评价
王业建;熊飞升;周卫民;邢武;李洪
Randomized controlled clinical trial of cefprozil vs cefaclor in treatment of lower respiratory tract infection
临床荟萃 . 2003, (21): 1221 -1223 .