C. Özer Demirtaş, P. Ata, A. Çetin, A. Türkyılmaz, and D. Guney Duman, “A large Turkish pedigree with multiple endocrine neoplasia type 1 syndrome carrying a rare mutation: c.1680_1683 del TGAG”, Turkish Journal of Gastroenterology, vol. 31, no. 7, pp. 508–514, Jan. 2020.