1. Dietrick JE, Whedon GD, Shorr E (1948) Effects of immobilization upon various metabolic and physiologic functions of normal men. Am J Med 4:3–26
2. Leach CS, Rambaut PC (1977) Biomedical responses of the skylab crewmen. In: Johnston RS, Dietlein LF (eds) Biomedical results from skylab. NASA SP-377, Washington, D.C., pp 204–216
3. Whedon GD, Lutwak L, Rambaut PC, Whittle MW, Smith MC, Reid J, Leach C, Stadler CR, Stanford DD (1977) Mineral and nitrogen metabolic studies, experiment MO71. In: Johnston RS, Dietlein LF (eds). Biomedical results from skylab. NASA SP-377 Washington, D.C., pp 164–174
4. Cann CE, Genant HK, Young DR (1980) Comparions of vertebral and peripheral mineral losses in disuse osteoporosis in monkeys. Radiology 134:525–529
5. Young DR, Schneider VS (1981) Radiographic evidence of disuse osteoporosis in the monkey (M. nemestrina). Calcif Tissue Int 33:631–639