Salivary assay, emerging as a non-invasive alternative to blood assay in clinic analysis, holds great promise for early-stage cancer diagnostics with advantages of low cost, easy collection and facile processing. Therefore, point-of-care (POC) detection of tumor markers in the saliva is urgently demanded.
source https://phys.org/news/2021-01-point-of-care-tumor-marker-human-saliva.html
