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Male and female roe deer
The tiny male of the Golden orb weaver (Nephila clavipes)
Despite the traditional focus on males, females actively choose mates and are the driving force in t
Common skin signs are often evidence of an illness or disorder. A papule is a solid, circumscribed, ...
Classification of Antidepressants: Treatment of Major Depressive Disorder
How to impress a choosy female: Male Hangingfly Bearing Food