Ahlborg, H. G.,Johnell, O.,Turner, C. H.,Rannevik, G.,Karlsson, M. K.(2003).Bone loss and bone size after menopause.New England Journal of Medicine.349(4),327-334.
Alexander, N. B.,Gross, M. M.,Medell, J. L.,Hofmeyer, M. R.(2001).Effects of functional ability and training on chair-rise biomechanics in older adults.The Journals of Gerontology. Series A, Biological Sciences and Medical Sciences.56(9),M538-M547.
American College of Sports Medicine(1998).American College of Sports Medicine position stand: Exercise and physical activity for older adults.Medicine and Science in Sports and Exercise.30(6),992-1008.
Bocalini, D. S.,Serra, A. J.,dos Santos, L.,Murad, N.,Levy, R. F.(2009).Strength training preserves the bone mineral density of postmenopausal women without hormone replacement therapy.Journal of Aging and Health.21(3),519-527.