D’amico MA, Ghinassi B, Izzicupo P, Manzoli L, Di Baldassarre A. Biological function and clinical relevance of chromogranin A and derived peptides. Endocr Connect. 2014 Apr 29; 3(2): R45–54. https://pmc.ncbi.nlm.nih.gov/articles/PMC5395093/

Taupenot L, Kimberly HL, O’Connor DT. The Chromogranin–Secretogranin Family. NEJM. 2003; 348(12): 1134–1149. https://www.nejm.org/doi/full/10.1056/nejmra021405

Feldman SA, Eiden LE. The chromogranins: Their roles in secretion from neuroendocrine cells and as markers for neuroendocrine neoplasia. Endocr Pathol. 2003; 14: 3–23. https:// doi.org/10.1385/EP:14:1:3