Waddington J L, MacCulloch M J, Sambrooks J E
Experientia. 1979 Sep 15;35(9):1197-8. doi: 10.1007/BF01963285.
The heartrate variability under resting conditions of 14 normal male subjects, age range 22--63 years, declined with increasing age. Mean heartrate did not show age-dependant changes.
14名年龄在22至63岁之间的正常男性受试者在静息状态下的心率变异性随年龄增长而下降。平均心率未显示出年龄依赖性变化。