Effects of previous antiresorptive therapy on the bone mineral density response to two years of teriparatide treatment in postmenopausal women with osteoporosis. - Boonen,S.; Marin,F.; Obermayer-Pietsch,B.; Simoes,M.E.; Barker,C.; Glass,E.V.; Hadji,P.; Lyritis,G.; Oertel,H.; Nickelsen,T.; McCloskey,E.V. (J Clin Endocrinol Metab, 2008)