Original Article
The safety and efficacy of CKD-497 in patients with acute upper respiratory tract infection and bronchitis symptoms: a multicenter, double-blind, double-dummy, randomized, controlled, phase II clinical trial
Seung Won Ra, Sun Young Kim, Yun Young Lim, Shin Jung Park, Chin Kook Rhee, Deog Kyeom Kim, Yong Bum Park, Chang Youl Lee, Hyoung Kyu Yoon, Jeong-Woong Park, Kwang Ha Yoo
