1) Grove, K. A. and Londeree, B. R. Bone density in postmenopausal women : high impact vs low impact exercise. Med. Sci. Sports Exerc., (1992) , 24, 1190-1194.
2) Aloia, J. F., Cohn, S. H., Ostuni, J. A., Cane, R. and Ellis, K. Prevention of involutional bone loss by exercise. Ann. Int. Med., (1978) , 89, 356-358.
3) Brewer, V., Meyer, B. M., Keele, M. S., Upton, S. J. and Hagan, R. D. Role of exercise in prevention of involutional bone loss. Med. Sci. Sports Exerc., (1983) , 15, 445-449.
4) Cavanaugh, D. J. and Cann, C. E. Brisk walking does not stop bone loss in postmenopausal women. Bone, (1988) , 9, 201-204.
5) Chow, R. K., Harrison, J. H. and Notarius, C. Effect of two randomized exercise program on bone mass of healthy postmenopausal women. Br. Med. J., (1987) , 295, 1441-1444.