1. Effectiveness of combined tamoxifen citrate and testosterone undecanoate treatment in men with idiopathic oligozoospermia 
Dimitrios A Adamopoulos, M.D., Athina Pappa, M.Sc., Evangelia Billa, M.D., Stamatina Nicopoulou, M.D., Eftychia Koukkou, M.D., John Michopoulos, M.D. 
Fertility and Sterility 
Volume 80, Issue 4, Pages (October 2003)
DOI: /S (03)

2. FIGURE 1
(A), Cumulative number of pregnancies among couples involving men with idiopathic oligozoospermia who received tamoxifen citrate plus testosterone undecanoate (dashed line) or placebo (dotted line). (B), Incidence of pregnancy in the two groups. The groups differed significantly at 6 and 9 months (P<.001).
Adamopoulos. Tamoxifen and androgens in oligozoospermia.Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )