Aydoğdu, S., Arikan, C., Cakir, M., Baran, M., Yüksekkaya, H. A., Saz, U. E., & Arslan, M. T. (2009). Foreign body ingestion in Turkish children. The Turkish Journal of Pediatrics, 51(2), 127-132. https://turkjpediatr.org/article/view/2273