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pro vyhledávání: '"R K, Harper"'
Autor:
R K, HARPER
Publikováno v:
Glasgow Medical Journal
Publikováno v:
Journal of developmental physiology. 19(6)
Summary measures of heart rate variation describe those aspects of heart rate change that can be averaged over relatively long periods of time. We examined the postnatal maturation of a dynamic feature of cardiac rate--the dependency of each beat-to-
Publikováno v:
NIDA research monograph. 108
Autor:
R K, HARPER
Publikováno v:
The Practitioner. 162(969)
Autor:
A. H. Hunt, R. K. Harper
Publikováno v:
BMJ. 1:1313-1313