FRENNING , B., H. JOHANSSON, and P. G. ÖHRN. “Parathyroid Hormone and Gastric Mucosal Surface Ultrastructure”. Upsala Journal of Medical Sciences 79, no. 2 (June 1, 1974): 90-93. Accessed March 29, 2026. https://ujms.net/index.php/ujms/article/view/7404.