Efficacy of bethanechol chloride in the treatment of radiation-induced xerostomia in patients with head and neck cancer - Nakamura, Denise Moral; Pinto, Henrique da Graça; Elchin, Cintia Baena; Berard, Lucas Thomazotti; Alves, Fábio Abreu; Antunes, Lívia Azeredo Alves; Coto, Neide Pena (Radiotherapy & Oncology, 2023)