Ayaydın, Hamza, and Hasan Bozkurt. “Spasmodic Torticollis Associated With Sertraline in a Child and an Adolescent”. The Turkish Journal of Pediatrics, vol. 57, no. 1, Feb. 2015, pp. 109-11, https://doi.org/10.24953/turkjpediatr.2015.1203.