Changes in bone turnover induced by aerobic and anaerobic exercise in young males. - Woitge,H.W.; Friedman,B.; Suttner,S.; Farahmand,I.; Müller,M.; Schmidt-Gayk,H.; Baertsch,P.; Ziegler,R.; Seibel,M.J. (J Bone Miner Res, 1998)