Murthy, Vignesh; Mylonas, Petros; Carey, Barbara; Yogarajah, Sangeetha; Farnell, Damian; Addison, Owen; Cook, Richard; Escudier, Michael; Diniz-Freitas, Marcio; Limeres, Jacobo; Monteiro, Luis; Silva, Luis; Fricain, Jean-Cristophe; Catros, Sylvain; Fenelon, Mathilde; Lodi, Giovanni; Lombardi, Niccolò; Brailo, Vlaho; Ariyaratnam, Raj; López-López, José; Albuquerque, Rui: Malignant Transformation Rate of Oral Submucous Fibrosis: A Systematic Review and Meta-Analysis