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Postnatal penile length and growth rate correlate to serum testosterone levels: a longitudinal study of 1962 normal boys in: European Journal of Endocrinology Volume 154 Issue 1 (2006)
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Postnatal penile length and growth rate correlate to serum testosterone levels: a longitudinal study of 1962 normal boys in: European Journal of Endocrinology Volume 154 Issue 1 (2006)
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Penis Size Statistics - What is the average penis size (length and width) around the world? | Bedbible.com
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