Single nucleotide polymorphisms in the human gene for osteoprotegerin are not related to bone mineral density or fracture in elderly women. - Brändström,H.; Gerdhem,P.; Stiger,F.; Obrant,KJ.; Melhus,H.; Ljunggren,Ö.; Kindmark,A.; Akesson,K. (Calcif Tissue Int, 2004)