Ranieri, Girolamo Vascular endothelial growth factor assessment in different blood fractions of gastrointestinal cancer patients and healthy controls. [electronic resource] - Oncology reports Feb 2004 - 435-9 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1021-335X Subjects--Topical Terms: AgedBiomarkers, Tumor--bloodColonic Neoplasms--bloodGastrointestinal Neoplasms--bloodHumansMiddle AgedNeoplasm StagingRectal Neoplasms--bloodReference ValuesStomach Neoplasms--bloodVascular Endothelial Growth Factor A--blood