Frontiers in endocrinology, 13:926491. Frontiers Media SA Frontiers in Endocrinology, 13:926491. Frontiers Media S.A. Frontiers in Endocrinology, 13. FRONTIERS MEDIA SA Frontiers in Endocrinology, 13 van Beek, D-J, Pieterman, C R C, Wessels, F J, van de Ven, A C, de Herder, W W, Dekkers, O M, Zandee, W T, Drent, M L, Bisschop, P H, Havekes, B, Borel Rinkes, I H M, Vriens, M R & Valk, G D 2022, ' Diagnosing pancreatic neuroendocrine tumors in patients with multiple endocrine neoplasia type 1 in daily practice ', Frontiers in Endocrinology, vol. 13, 926491 . https://doi.org/10.3389/fendo.2022.926491 Frontiers in endocrinology, 13:926491. Frontiers Media S.A.