Aykan, N. F., Yalçın, S., Turhal, N. S., Özdoğan, M., Demir, G., Özkan, M., … Dişçi, R. (2015). Epidemiology of colorectal cancer in Turkey: A cross-sectional disease registry study (A Turkish Oncology Group trial). Turkish Journal of Gastroenterology, 26(2), 145–153. https://doi.org/10.5152/tjg.2015.5685