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1·Occasionally, these tumors may secrete catecholamines, testosterone, or vasoactive intestinal polypeptide.

偶尔，肿瘤可以分泌儿茶酚胺、睾酮、或血管活性肠肽。

2·AIM: To study the expression of vasoactive intestinal polypeptide (VIP) in dental pulp-dentine complex of human premolar and its function.

目的：研究血管活性肠肽(VIP)在牙髓牙本质复合体中的表达，探讨其功能。