[文献资料]【参考文献】

2 ． Bertoissi M，Virgintino D，Coltey P，et al ． Vascular ization of embryonic adrenal gland grafted onto chorio allantoic membrane ． Anat Embryol，1998，198 ∶ 267‐275.6 ． Koval LM，Yavorkaya NE，Lukyanetz EA ． Ultra structural features of medullary chromaffin c ......