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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: Fertil Steril. 2008 Jul 16;92(1):205–216. doi: 10.1016/j.fertnstert.2008.04.023

Figure 1.

Figure 1

The PUBMED search as described in the “Materials and Methods” section generated 983 articles. Figure 1 outlines the study selection process.