Evaluation of Parotid Salivary Gland Echo Texture by Ultrasound Examinations and Correlation With Whole-Body Scintigraphy After Radioiodine Therapy in Patients With Differentiated Thyroid Carcinoma - Lima, Graziele Aparecida Simoes; Lopez, Rossana Veronica Mendoza; Freitas, Ricardo Miguel Costa de; Willegaignon, Jose; Sapienza, Marcelo Tatit; Chammas, Maria Christina; Coura-Filho, George Barberio (Journal of ultrasound in medicine, 2020)