The Herbal Drug, Polysaccharide K, has an Immunological and Synergistic Anticancer Effect with Cetuximab for Gastrointestinal Cancer in Vivo. GJMR [Internet]. 2013 Oct. 31 [cited 2026 Aug. 7];13(I3):1-5. Available from: https://medicalresearchjournal.org/index.php/GJMR/article/view/396