1. Cognitive development of singletons born after intracytoplasmic sperm injection compared with in vitro fertilization and natural conception 
Marjolein Knoester, M.Sc., Frans M. Helmerhorst, M.D., Ph.D., Jan P. Vandenbroucke, M.D., Ph.D., Lucette A.J. van der Westerlaken, Ph.D., Frans J. Walther, M.D., Ph.D., Sylvia Veen, M.D., Ph.D. 
Fertility and Sterility 
Volume 90, Issue 2, Pages (August 2008)
DOI: /j.fertnstert
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Percentage of children with IQ-scores <85, 85–115, and >115: ICSI vs. IVF (P=.268) and ICSI vs. NC (P=.019).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions