%0 Journal Article %T Preventing Microbial Contamination during Long-Term In Vitro Culture of Human Granulosa-Lutein Cells: An Ultrastructural Analysis %A C. O. Campos %A M. P. Bernuci %A A. A. Vireque %A J. R. Campos %J ISRN Obstetrics and Gynecology %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/152781 %U http://dx.doi.org/10.5402/2012/152781