Siregar FD, Girsang E, Nasution SLR. The influence of supervision by the head of medical services and nurse performance on patient safety at Aek Kanopan Regional General Hospital. BKKP [Internet]. 2026 Mar. 5 [cited 2026 Mar. 9];5(1):78-83. Available from: https://jurnal.unprimdn.ac.id/index.php/bulkesprima/article/view/8087