1. Taylor P. Kohn, Jaden R. Kohn, Ryan C. Owen, R. Matthew Coward
The Prevalence of Y-chromosome Microdeletions in Oligozoospermic Men: A Systematic Review and Meta-analysis of European and North American Studies 
Taylor P. Kohn, Jaden R. Kohn, Ryan C. Owen, R. Matthew Coward 
European Urology 
DOI: /j.eururo
Copyright © 2019 European Association of Urology Terms and Conditions

2. Fig. 1
Flow diagram for study selection. PCR = polymerase chain reaction.
European Urology DOI: ( /j.eururo )
Copyright © 2019 European Association of Urology Terms and Conditions

3. Fig. 2
Forest plot assessing cumulative incidence of complete YCM. CI = confidence interval; YCM = Y-chromosome microdeletion.
European Urology DOI: ( /j.eururo )
Copyright © 2019 European Association of Urology Terms and Conditions

4. Fig. 3 Funnel plot to assess publication bias/small study effects.
European Urology DOI: ( /j.eururo )
Copyright © 2019 European Association of Urology Terms and Conditions