Bilal Arjumand, Kashif Adnan, Naresh Kumar, Bharat Kumar, Avinash, Shah Faisal, “Frequency of Post-Operative Pain in Single-visit vs Multiple visit Root Canal Treatment for Apical Periodontitis: A Randomized Controlled Trial”, IJPRT, vol. 16, no. 1, pp. 2973–2979, May 2026.