Sadia Malik, Syed Attaullah Shah, Farhat Fatima, Shazmeen Alim, Sangeen Ameer, and Irshad Ahmed, “Postoperative Pain in Single-Visit Versus Multiple-Visit Endodontic Treatment of Permanent Teeth”, JHRR, vol. 4, no. 1, pp. 1–5, Feb. 2024.