Munazza Aziz, Shahbaz Ahmed, Fazal-ur-Rehman Qazi, Farah Naz, Marina Shah, and Prena Moorpani, “Effect of pre-cooling agent on intensity of pricking pain at intraoral injection site in adults: An experimental study”., J Pak Med Assoc, vol. 71, no. 5, pp. 1379–1383, Dec. 2021.