Ramesh Siram, “Comparison Of Efficacy Among the Migraine Patients Prescribed With Flunarizine, Propranolol And Petasites In The Management Of Severity Of Pain And Disability”, J Popl Ther Clin Pharmacol, vol. 30, no. 11, pp. 265–270, May 2023, doi: 10.47750/jptcp.2023.30.11.027.