@article{3146713,
    title = "Embryo selection based on preimplantation factor (PIF) positivity and
good morphology improve IVF success",
    author = "Promponas, E. and Keramitsoglou, T. and Pantos, K. and Vaxevanoglou, T. and and Spyropoulou-Vlachou, M. and Koussoulakos, S. and Varla-Leftherioti, and M. and Barnea, E. R.",
    journal = "Journal of Reproductive Immunology",
    year = "2010",
    volume = "86",
    number = "1, SI",
    pages = "41",
    publisher = "Elsevier Ireland Ltd",
    issn = "0165-0378",
    doi = "10.1016/j.jri.2010.06.080"
}