Yildirim, Selman Vefa, et al. “Tetralogy of Fallot and Hypertrophic Cardiomyopathy in a Case of Cardiofaciocutaneous Syndrome”. The Turkish Journal of Pediatrics, vol. 50, no. 3, June 2008, pp. 275-7, https://turkjpediatr.org/article/view/2428.