1·Objective To study immune function of erythrocytes and its correlation with the change of t lymphocyte subsets in patients with osteosarcoma.
目的探讨骨肉瘤患者红细胞免疫功能状态与T淋巴细胞亚群改变的关系。
2·Objective: To find out a method of extraction and purification of bone morphogenetic protein (BMP) from osteosarcoma cell conditioned medium, and evaluate the biological activity of BMP.
目的探索从骨肉瘤细胞条件培养基中提取骨形态蛋白（BMP）的方法，并测定其生物学活性。
3·Objective: To find out a method of extraction and purification of bone morphogenetic protein (BMP) from osteosarcoma cell conditioned medium, and evaluate the biological activity of BMP.
目的探索从骨肉瘤细胞条件培养基中提取骨形态蛋白(BMP)的方法，并测定其生物学活性。
4·This is a radiograph of an osteosarcoma involving the metaphyseal region of the distal femur.
线显示股骨远端干骺区的骨肉瘤。
5·Objective To understand the significance of bone morphogenetic protein in clinical evaluation and metastasis in osteosarcoma.
目的为了解骨形态发生蛋白在骨肉瘤的临床诊断、侵袭、转移中的意义。