Wagner EH, LaCroix AZ, Buchner DM, Larson EB. Effects of physical activity on health status in older adults. I: Observational studies. Annu Rev Public Health. 1992;13:451-68. Review.
Wagner EH, LaCroix AZ, Buchner DM, Larson EB. Effects of physical activity on health status in older adults. I: Observational studies. Annu Rev Public Health. 1992;13:451-68. Review.