Differences in risk factors for second and third degree hypospadias in the national birth defects prevention study
Sander Groen in ’t Woud(Radboud University Nijmegen), Nel Roeleveld(Radboud University Nijmegen), Iris A.L.M. van Rooij(Radboud University Nijmegen), Suzan L. Carmichael(Stanford Medicine), Jennita Reefhuis(Centers for Disease Control and Prevention), Richard S. Olney(University of Iowa), Marleen M. H. J. van Gelder(Radboud University Nijmegen)
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