| Influence diagram of physiological and environmental factors affecting heart rate variability: An extended literature overview | In: Physiology of Sport and Exercise |
|---|---|
| org, Retrieved January 1, 2018 | Know your target heart rates for exercise, losing weight and health |
org, Retrieved January 1, 2018.
12| org, Retrieved January 1, 2018 | Normal sinus rhythm and sinus arrhythmia |
|---|---|
| com, Retrieved January 1, 2018 | Cardiorespiratory responses to acute exercise |
In: ACSM's Guidelines for Exercise Testing and Prescription.
16