Diagnostic Utility of Menin Immunohistochemistry in Patients With Multiple Endocrine Neoplasia Type 1 Syndrome. - Verschuur AVD; Kok ASM; Morsink FHM; de Leng WWJ; van den Broek MFM; Koudijs MJ; Offerhaus JA; Valk GD; Vriens MR; van Nesselrooij BPM; Hackeng WM; Brosens LAA (The American journal of surgical pathology, 2023)