Hardarson, T., Han-son, C., Lundin, K., Hillensj, T., Nilsson, L., Stevic, J., Reismer, E., Borg, K., Wikland, M. and Bergh, C. (2008) Preim-plantation genetic screening in women of advanced maternal age caused a decrease in clinical pregnancy rate A randomized controlled trial. Human Reproduction, 23, 2806-2812. doi10.1093/humrep/den217 - References - Scientific Research Publishing