Gürdeniz SERİN; Başak DOĞANAVŞARGİL; Cemil ÇALIŞKAN; Taner AKALIN; Murat SEZAK; Müge TUNÇYÜREK. Colonic Malignant Melanoma, Primary or Metastatic? Case Report. Turkish Journal of Gastroenterology 2019, 21, 45-49.