Jahanimoghadam, F.; Shojaeepoor, R.; Aftabi, R.; Shahravan, A.; Horri, A.; Jookar, S. Impact of Laughter Therapy on Anxiety and Pain in Pediatric Dentistry: A Double-Blinded Randomized, Controlled Clinical Trial. Pesqui Bras Odontopediatria Clin Integr 2022, 22, e210160.