Effect of magnification factor by Galilean loupes on working posture of dental students in simulated clinical procedures: associations between direct and observational measurements - Pazos, Júlia Margato; Regalo, Simone Cecilio Hallak; Vasconcelos, Paulo de; Campos, Juliana Alvares Duarte Bonini; Garcia, Patricia Petromilli Nordi Sasso (PeerJ, 2022)