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<正>【缩写】FDA(Food and Drug Administration):食品药品监督管理局;VEGF(vascular endothelial growth factor):血管内皮生长因子;VEGFR2(VEGF-receptor2):血管内皮生长因子受体2;SCID(severe combined immunode-ficiency):重症联合免疫缺陷;PNET(pancreatic neuroendocrine tumor):胰腺神经内分泌肿瘤