MICHAEL, Michael. The Relationship Between Knowledge and Perception of Patient Delivery Nurses About The Hazards of X-Ray Radiation In The Radiology Installation of The University Of North Sumatera Hospital. International Journal of Economic, Technology and Social Sciences (Injects), [S. l.], v. 2, n. 2, p. 661–666, 2021. DOI: 10.53695/injects.v2i2.1075. Disponível em: https://jurnal.ceredindonesia.or.id/index.php/injects/article/view/1075. Acesso em: 9 jul. 2025.