1. Is tubal embryo transfer of any value
Is tubal embryo transfer of any value? A meta-analysis and comparison with the Society for Assisted Reproductive Technology database 
Antonia E Habana, M.D., Steven F Palter, M.D. 
Fertility and Sterility 
Volume 76, Issue 2, Pages (August 2001)
DOI: /S (01)

2. Figure 1
Summary of outcome measures, ZIFT vs. IVF-ET. Lines indicate odds ratio and 95% confidence interval. WMD = weighted means difference.
Habana. Is tubal embryo transfer of any value? Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (01) )