Evaluation of low-level laser therapy effectiveness on the pain and masticatory performance of patients with myofascial pain - Maia, Mila Leite de Moraes; Ribeiro, Maria Amália Gonzaga; Maia, Luiz Guilherme Martins; Stuginski-Barbosa, Juliana; Costa, Yuri Martins; Porporatti, André Luís; Conti, Paulo César Rodrigues; Bonjardim, Leonardo Rigoldi (Lasers in Medical Science, 2014)