Correlating pemphigus disease area index (PDAI) severity categories with oral disease severity score (ODSS) in oral mucosal pemphigus - A pilot study. - Sharma, Arun Dev; Reddy, Prashanthi; Parihar, Ajay; Tosh, Sujata; Mandlik, Rashi; Yadav, Nidhi (Indian Journal of Dermatology, Venereology & Leprology, 2026)