Echocardiographic Evaluation of the Effect of Long-Term Methylphenidate Use on Cardiovascular Functions - Çagatay Tunca; Ibrahim Hakan Güllü; Saadet Demirtas Inci; Kamuran Kalkan; Ruken Demirkol Tunca; Aysegül Efe; Ayse Nur Özkaya Ibis; Alperen Tas; Mehmet Taha Özkan; Veysel Ozan Tanik; Orçun Ortaköylü; Nail Burak Özbeyaz (Journal of Attention Disorders, 2025)