TY  - GEN
AU  - Wieling,W
TI  - Heart rate variability in healthy subjects: effect of age and derivation of normal ranges for tests of autonomic function
SN  - 0007-0769
PY  - 1987///0319
KW  - Age Factors
KW  - Heart Function Tests
KW  - Heart Rate
KW  - Humans
KW  - Reference Values
N1  - Publication Type: Letter
UR  - https://doi.org/10.1136/hrt.57.1.109-a
ER  -