Fessatou, S., Georgantzi, G. G., Shtukkert, E., Matsota, P., Loumou, P., Polymeros, D., & Triantafyllou, K. (2015). Chronic lip swelling as the sole presentation of Crohn’s disease: three case reports. The Turkish Journal of Pediatrics, 57(1), 98-101. https://turkjpediatr.org/article/view/1200