intellect 发表于 2025-4-1 05:31:25
Mitogenic Stimulation of Tumor Cells by Platelet Derived Growth Factors,timate relationship between platelets and tumor cells is further suggested by ultrastructural studies . which show arrested tumor emboli surrounded by platelets (5–8). Certain tumor lines also induce thrombocytopenia . (1,5,9). The reasons for this close platelet-tumor cell relationship are speculatGLIB 发表于 2025-4-1 09:49:46
en of every parity. This chapter looks at the implications of that common assumption, and finds that they are far-reaching. From a set of age-specific birth rates, one can determine the likelihood that sibships of any size and gender composition arise in a cohort. Calculations for several fertilityHot-Flash 发表于 2025-4-1 10:43:56
http://reply.papertrans.cn/43/4257/425626/425626_63.pngBLINK 发表于 2025-4-1 15:33:42
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