Manurung, Santa, and Yupita Dewi. “How Is the Practice of Nurses in Preventing Infection of Central Venous Catheters in Hospitalized Patients?-Nurse Knowledge and Attitudes”. Journal of Drug Delivery and Therapeutics, vol. 12, no. 4, July 2022, pp. 101-3, https://doi.org/10.22270/jddt.v12i4.5591.