Mazhar, B., Younus, S., Akhtar, U. B., Altaf, A., Javed, F., & Sajid, M. A. H. (2020). COMPARISON OF POSITIVE ASPIRATION DURING INFERIOR ALVEOLAR NERVE BLOCK USING CONVENTIONAL METALLIC DENTAL SYRINGE VS. DISPOSABLE PLASTIC SYRINGE. Pakistan Armed Forces Medical Journal, 70(5), 1539–43. Retrieved from https://www.pafmj.org/PAFMJ/article/view/5601