Open access peer-reviewed chapter

Serum Free Testosterone and Estradiol Levels in Perceptual-Verbal and Spatial Abilities;Differences in Sex and Hand Preference

Written By

Üner Tan

Submitted: January 27th, 2011 Reviewed: July 25th, 2011 Published: February 8th, 2012

DOI: 10.5772/25538

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Written By

Üner Tan

Submitted: January 27th, 2011 Reviewed: July 25th, 2011 Published: February 8th, 2012