Parvathy Ghosh, Sarika K, Nihal Jayaprakash, Sapna Varma N K and Ajith V V 2020. Anxiety and perceptions on the impact of COVID-19 pandemic among orthodontic patients visiting a tertiary care center: A Cross-sectional study. International Journal of Research in Pharmaceutical Sciences. 11, (SPL 1) (Dec. 2020), 1487–1493.