ISSN: 1873-9598 International Journal of Gerontology Volume 13, Issue 4 December 2019 Original Article Promoting Physical Activity and Reducing Frailty of Middle-Aged and Older Adults in Community: The Effects of a Health Promotion Program Combining Smart Phone Learning and Exercise Shu-Chen Lee, Jung-Mei Tsai, Li-Yun Tsai, Li-Jen Liang, Ching-Ping Wu page 320~324 Download ↓ 56 Supplementary Material No data Abstract No data Back