Sholikhah, D. U., I. K. Sudiana, and N. D. Kurniawati. “The Effectiveness Chewing Gum Versus Cryotherapy on Salivary Volume Among Patient With Head and Neck Cancer Undergoing Radiotherapy”. Jurnal Ners, vol. 15, no. 1, June 2020, pp. 91-97, doi:10.20473/jn.v15i1.19444.