Silaban, N.Y., Nasution, S.S. and Siregar, C.T. 2020. Influences of oral cryotherapy on mucositis prevention in cancer patients with chemotherapy. JKKI : Jurnal Kedokteran dan Kesehatan Indonesia. 11, 2 (Aug. 2020), 165–171. DOI:https://doi.org/10.20885/JKKI.Vol11.Iss2.art9.