Octreotide plus IBI-318 plus anlotinib in the treatment of multiple neuroendocrine metastases of unknown primary lesions: a case report - Qin, Haoyue; Yan, Huan; Zhang, Xing; Huang, Zhe; Chen, Yangqian; Zhang, Yuda; Xiang, Siqi; Zhang, Yongchang; Yang, Nong; Zeng, Liang (Frontiers in Oncology, 2024)