Safety and efficacy of low-level laser therapy in autoimmune thyroiditis: long-term follow-up study - Hofling, Danilo Bianchini; Chavantes, Maria Cristina; Buchpiguel, Carlos Alberto; Cerri, Giovanni Guido; Marui, Suemi; Carneiro, Paulo Campos; Chammas, Maria Cristina (International journal of endocrinology, 2018)