求助2篇文献，多谢！

sunyucheng

Cellular and molecular mechanisms mediating the effects of polychlorinated biphenyls on oocyte developmental competence in cattle
7 {8 K! a' b# c" Chttp://www.ncbi.nlm.nih.gov/pubmed/11746964
5 H+ |. }. X2 j' }! _( ZCellular and molecular mechanisms mediating the effect of polychlorinated biphenyls on oocyte in vitro maturation
  Q4 P9 G: H1 ~, }; c& Whttp://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