Hasçelik, S., Özer, S., Taner, Y., Aypar, E., Alehan, D., Usta, Y., & Ölmez, A. (2007). Panic disorder in a child with recurrent chest pain. The Turkish Journal of Pediatrics, 49(1), 105-108. https://doi.org/10.24953/turkjpediatr.2007.2520