Iqbal, Kasif, Rahul Srivastava, Vishal Mehrotra, Sachin Kushwah, and Shiv Kumar Singh. 2022. “Prevalence of Recurrent Aphthous Stomatitis in the Kanpur Population ”. History of Medicine 8 (1). http://www.historymedjournal.com/index.php/medicine/article/view/350.