1. Arnaud, S.B., M.R. Powell, J. Vernikos-Danellis, P. Buchanan: Bone mineral and body composition after 30 day head down tilt bedrest. J. Bone Mineral Res. 3: 5119 (1988).
2. Arnaud, S.B., V.S. Schneider, E. Morey-Holton: Effects of inactivity on bone and calcium metabolism. In: J. Vernikos, H. Sandier (eds.): Inactivity: Physiological Effects, pp. 49–75. Academic Press, San Diego 1986.
3. Asling, C.W.: Histological studies on tibial bone of rats in the 1975 COSMOS-782 flight. Part 2. Microradiographic study of cortical bone. NASA TM-78525: 291–307 (1978).
4. Barzel, U.S., J. Jowsey: The effects of chronic acid and alkali administration on bone turnover in adult rats. Clin. Sci. 36: 517–524 (1969).
5. Brighton, C.T., J.L. Schaffer, D.B. Shapiro, J.J.S. Tang, C.C. Clark: Proliferation and macromolecular synthesis by rat calvarial bone cell grown in various oxygen tensions. J. Orthop. Res. 9: 847–854 (1991).