P. Abola and G. Jabishvili, “Incidence of adverse and safety events in individuals with Parkinson’s disease treated with catechol-o-methyltransferase inhibitor opicapone as an add-on to levodopa treatment: a systematic review and meta-analysis”, Prospect. Pharm. Sci., vol. 23, no. 4, pp. 175–185, Aug. 2025.