Reduced complications and mortality after admission for head and neck cancer in patients with previous dental scaling: a retrospective cohort study based on real-world data - Che-Hsuan Lin; Chuen-Chau Chang; Hsun-Hua Lee; Yi-Sheng Chou; Chia-Yen Lee; Chun-Chieh Yeh; Ta-Liang Chen; Chien-Chang Liao (PLoS ONE, 2025)