1. Clinical studies show no effects of soy protein or isoflavones on reproductive hormones in men: results of a meta-analysis 
Jill M. Hamilton-Reeves, Ph.D., Gabriela Vazquez, Ph.D., Sue J. Duval, Ph.D., William R. Phipps, M.D., Mindy S. Kurzer, Ph.D., Mark J. Messina, Ph.D. 
Fertility and Sterility 
Volume 94, Issue 3, Pages (August 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Flow diagram of systematic review of literature. Tx = treatment; ISP− = isolated soy protein depleted of isoflavones; n = number of treatment groups.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Mean change difference per SD of testosterone.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

4. Figure 3 Mean change difference per SD of SBHG.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions