TY - JOUR AU - Ardill, J E; Erikkson, B TI - The importance of the measurement of circulating markers in patients with neuroendocrine tumours of the pancreas and gut JO - Endocr Relat Cancer VL - 10 PY - 2003 DO - 10.1677/erc.0.0100459 L3 - PubMed-ID: 14713258 SP - 459 EP - 462 ER -