The top papers on reproduction research 2004–2008.

The article highlights the top papers on reproduction research in 2004-2008. According to the author, the top two papers include J. Hanna's paper on the role of decidual NK cells in regulating key developmental processes at the human fetal-maternal inteface and M. Xu's paper on tissue-engineered follicles, which produce live, fertile offspring. Other papers that have seen important advances include the immunology of reproduction and the effect of environmental toxins on reproduction.