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Establishing a reference range for penile length in Caucasian British men: a prospective study of 609 men - Khan - 2012 - BJU International - Wiley Online Library
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Establishing a reference range for penile length in Caucasian British men: a prospective study of 609 men - Khan - 2012 - BJU International - Wiley Online Library
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What's the average size of an adult human penis? Does the average vary among people from different continents or ethnic groups? - Quora
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