Cadiot, Guillaume, Thérèse Lehy, and Michel Mignon. 1993. “Gastric Endocrine Cell Proliferation and Fundic Argyrophil Carcinoid Tumors in Patients With the Zollinger-Ellison Syndrome”. Acta Oncologica 32 (2):135-40. https://doi.org/10.3109/02841869309083902.