Khan, Quratulain, et al. “COMPARISON OF ANAESTHETIC EFFICACY OF ARTICAINE AND LIDOCAINE IN NONSURGICAL ENDODONTIC TREATMENT OF PERMANENT MANDIBULAR MOLARS WITH SYMPTOMATIC IRREVERSIBLE PULPITIS. A RANDOMIZED CLINICAL TRIAL”. Journal of Ayub Medical College Abbottabad, vol. 33, no. 2, Apr. 2021, pp. 192-7, https://demo.ayubmed.edu.pk/index.php/jamc/article/view/8362.