Subgroup analysis of a multicenter clinical trial on nebulized inhalation of ambroxol for the treatment of elderly patients with mucous phlegm syndrome
MA Jinfang, ZHENG Jingping, CHEN Liping, HE Zhengguang, XIAO Zuke, YANG Xiaohong
Chinese Journal of Hospital Pharmacy . 2025, (6): 680 -687 .  DOI: 10.13286/j.1001-5213.2025.06.12