Access to single-inhaler triple medicines for chronic obstructive pulmonary disease in China: a national survey on accessibility and utilisation. - Li, Wei; Guo, Wei; Chen, Hongdou; Lu, Wei; Yu, Shule; Wang, Menglei; Zheng, Fangfang; Wu, Huanhuan; Yang, Qingqing (Journal of Pharmaceutical Policy & Practice, 2025)