The ER22/23EK polymorphism in the glucocorticoid receptor gene is sssociated with a beneficial body composition and muscle strength in young adults. - Van Rossum,E.F.; Voorhoeve,P.G.; Te Velde,S.J.; Koper,J.W.; Delemarre-van de Waal,H.A.; Kemper,H.C.; Lamberts,S.W. (J Clin Endocrinol Metab, 2004)