Pricing strategy research in the dual-channel pharmaceutical supply chain considering service.

"Conflict of interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest."

"The author(s) declare financial support was received for the research, authorship, and/or publication of this article. The research was funded by the Ph.D. Scientific Research and Innovation Foundation of Sanya Yazhou Bay Science and Technology City (HSPHDSRF-2022-03-032); The Major Project of Philosophy and Social Science Research in Hubei Province Higher Education Institutions (22ZD046); The WUST Research Project (2022H20537, 2023H10295, and 2023H10254); The CSL & CFLP research project plan (2023CSLKT3-306); and The Department of Education of Hubei Province Young and Middle-Aged Talents Project (20211102)."