共 50 条
- [1] Association between leisure-time aerobic physical activity and vitamin D concentrations among US older adults: the NHANES 2007–2012 [J]. Aging Clinical and Experimental Research, 2019, 31 : 685 - 693
- [6] Leisure-time physical activity patterns among US adults with asthma [J]. CHEST, 2003, 124 (02) : 432 - 437