Using sentiment analysis to identify similarities and differences in research topics and medical subject headings (MeSH terms) between Medicine (Baltimore) and the Journal of the Formosan Medical Association (JFMA) in 2020 : A bibliometric study - Lin, Ju-Kuo; Chien, Tsair-Wei; Yeh, Yu-Tsen; Ho, Sam Yu-Chieh; Chou, Willy (Medicine (Baltimore), 2022)