Effect of immunonutrition during concurrent chemoradiotherapy on acute oral mucositis in head and neck cancer patients: A prospective randomized study - Pooriwat Muangwong; Tharatorn Tungkasamit; Vatanyu Samakgarn; Ausareeya Chumachote; Kittikun Kittidachanan; Imjai Chitapanarux (PLoS ONE, 2025)