Zhenzhen, X.; Xiumei, Z.; Yuxian, L.; Shengnan, W.; Xianxian, Z.; Linxia, L. Productivity Innovation in the Context of Digital Transformation – A Study of ChatGPT in Outpatient Satisfaction Follow-up. C. R. Acad. Bulg. Sci. 2026, 79, 650–660.