1. Effectiveness of human menopausal gonadotropin versus recombinant follicle- stimulating hormone for controlled ovarian hyperstimulation in assisted reproductive cycles: a meta-analysis 
Madelon van Wely, M.Sc., Lars G Westergaard, M.D., Patrick M.M Bossuyt, Ph.D., Fulco van der Veen, M.D. 
Fertility and Sterility 
Volume 80, Issue 5, Pages (November 2003)
DOI: /S (03)

2. FIGURE 1
Summary data of dichotomous outcomes. OHSS = ovarian hyperstimulation syndrome; rFSH = recombinant FSH; RR = relative risk.
van Wely. Effectiveness of hMG vs. rFSH. Fertil Steril 2003.
Fertility and Sterility  , DOI: ( /S (03) )