ÜNAL, A., S. CİVLAN, N. YAĞCI, and F. ALTUĞ. “Anxiety Levels Related to Surgery and Pain Intensity in Patients Scheduled for Lumbar Surgery”. Göbeklitepe Sağlık Bilimleri Dergisi, vol. 5, no. 8, June 2022, pp. 114-21, doi:10.55433/gsbd.212.