1、Long-term proliferation of mouse primordial germ cells in culture. 0 \$ W: I- \+ t! x2、A revised protocol for in vitro development of mouse oocytes from primordial follicles dramatically improves their developmental competence$ X6 [$ G R4 a
3、Live offspring produced by mouse oocytes derived from premeiotic fetal germ cells ; D; u1 p Y; q7 S4、Stage-specific germ-somatic cell interaction directs the primordial folliculogenesis in mouse fetal ovaries