Because of an increasing incidence of malignant tumours of the head and neck there is an unmet medical need for early diagnosis of the primary disease or precancerous lesions. and timely detection of recurrence by simple non-invasive tests. The analysis of biomarkers in body fluids may be appropriate for this goal. In this review. https://olivebookmarks.com/story19598888/the-types-and-pattern-of-use-of-mobile-health-applications-among-the-general-population-a-cross-sectional-study-from-selangor-malaysia