Effects of botulinum toxin type a on the psychosocial features of myofascial pain tmd subjects: a randomized controlled trial - De la Torre Canales, Giancarlo; Poluha, Rodrigo Lorenzi; Pinzón, Yeidi Natalia; Conti, Paulo César Rodrigues; Manfredini, Daniele; Sánchez-Ayala, Alfonso; Rizzatti-Barbosa, Célia Marisa (Journal of Oral & Facial Pain and Headache, 2021)