Sari WI, Purwanza SW. Correlation between Age, Gender, and Formal Education with Symptom Clusters in Head and Neck Cancer Patients: An Observational Study. Health Inf J Penelit [Internet]. 2022 Dec. 26 [cited 2026 Apr. 28];14(2):153-60. Available from: https://myjurnal.poltekkes-kdi.ac.id/index.php/hijp/article/view/494