Article
HYPOSPADIAS IS RELATED TO BIRTH WEIGHT IN DISCORDANT MONOZYGOTIC TWINS
1 Dec 1998
Abstract excerpt
PURPOSE: Hypospadias is a common urogenital malformation in boys. The etiology is unknown but genetic and environmental factors are involved. Because monozygotic twins have the same genetic constitution, we studied disease discordant twin pairs to evaluate environmental risk factors while controlling for genetic effects. MATERIALS AND METHODS: We used questionnaires to identify 28 male twins discordant for...
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