求助2篇文献，多谢！

sunyucheng

Cellular and molecular mechanisms mediating the effects of polychlorinated biphenyls on oocyte developmental competence in cattle2 B7 U; k. \; {% ~
http://www.ncbi.nlm.nih.gov/pubmed/117469648 z- B& f" G/ X8 h' k
Cellular and molecular mechanisms mediating the effect of polychlorinated biphenyls on oocyte in vitro maturation! g+ E, Q3 G2 P' l1 |2 U) p
http://www.ncbi.nlm.nih.gov/pubmed/16781112

damaoshu

Cellular and molecular mechanisms mediating the effects of polychlorinated biphenyls on oocyte developmental competence in cattle

damaoshu

Cellular and molecular mechanisms mediating the effect of polychlorinated biphenyls on oocyte in vitro maturation