Ester Dinar Lumbantoruan, and M. Astrid. “Polyrethane Foams Combined With Vaseline Prevents 1st Degree Pressure Injuries in Neurosurgical Surgery Patients: Literature Review”. Media Publikasi Promosi Kesehatan Indonesia (MPPKI), Vol. 7, no. 6, June 2024, pp. 1375-84, doi:10.56338/mppki.v7i6.5222.