Nishitha Arun, and Sindhu Ramesh. “Estimation Of Substance P Level In Normal Pulpal Condition Compared To Pulpal And Periapical Diseases”. Journal of Population Therapeutics and Clinical Pharmacology, vol. 30, no. 10, May 2023, pp. 406-12, https://doi.org/10.47750/jptcp.2023.30.10.045.