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Figure 1 | Reproductive Biology and Endocrinology

Figure 1

From: Recombinant human follicle-stimulating hormone (r-hFSH) plus recombinant luteinizing hormone versus r-hFSH alone for ovarian stimulation during assisted reproductive technology: systematic review and meta-analysis

Figure 1

The study selection process. a2274 records excluded based on title. bStudies MS8839, MS9029, MS9032 and MS9640. cAge subgroups from Humaidan et al., 2004 [23]; Marrs et al., 2004 [25]; Nyboe Andersen et al., 2008 [28]; Bosch et al., 2011 [26]; gonadotrophin-releasing hormone analogue subgroup from Motta et al., 2005 [27]. MS, Merck Serono S.A. – Switzerland, an affiliate of Merck KGaA, Darmstadt, Germany; r-hFSH, recombinant human follicle-stimulating hormone.

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