目的建立仓鼠胰腺癌原位模型，并研究其生物学特性。
AIM: to establish an orthotopic model of hamster pancreatic cancer and to analyze its biologic characteristics.
目的：探讨咀嚼肌卫星细胞的体外培养方法并研究其生物学特性。
Objective: to investigate the culture method in vitro and the bionomics of masticatory muscle satellite cells.
目的分离和培养人脐带间充质干细胞(msc)，研究其生物学特性和超微结构。
Objective To isolate and culture human umbilical cord mesenchymal stem cells (MSCs) and explore their biological features and ultrastructure.
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