High Altitude Affects Nocturnal Non-linear Heart Rate Variability: PATCH-HA Study oleh Christopher J. Boos, Christopher J. Boos, Christopher J. Boos, Kyo Bye, Luke Sevier, Josh Bakker-Dyos, David R. Woods, David R. Woods, David R. Woods, David R. Woods, Mark Sullivan, Tom Quinlan, Adrian Mellor, Adrian Mellor