Rectal carcinoid tumor with bone marrow and osteoblastic bone metastasis: A case report - ÖZKAN, Metin; ER, Özlem; KARAHAN, İ. Ökkeş and DENİZ, Kemal and COŞKUN, Ramazan and KÜÇÜK, Can and YURCİ, Alper and ALTINBAŞ, Mustafa (Turkish Journal of Gastroenterology, 2007)