Circadecennian peak expiratory flow and the putative merit of self-measurement

R. B. Sothern; N. Buriokan; Germaine G Cornelissen-Guillaume; P. Engel; F. Halberg; J. Siegelová; J. Vlček; J. Halberg; F. Halberg

Circadecennian peak expiratory flow and the putative merit of self-measurement

R. B. Sothern, N. Buriokan, Germaine G Cornelissen-Guillaume, P. Engel, F. Halberg, J. Siegelová, J. Vlček, J. Halberg, F. Halberg

Physiology

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2 Scopus citations

Abstract

Peak expiratory flow (PEF) can be self-measured. Self-measurements of PEF on a long-term basis permit assessment of the time structure of PEF and its relation to solar activity expressed in Wolf's relative sunspot number. The results from a longitudinal record spanning 32.5 years were compared with four other shorter series. It appeared that the most prominent periodicity in the annual and infra-annual response of the spectrum was a component with a period of 11.74 years. This periodicity was comparable with the periodicity found for Wolf's relative sunspot number (10.27) during the same span of time.

Original language	English (US)
Pages (from-to)	261-266
Number of pages	6
Journal	Scripta Medica Facultatis Medicae Universitatis Brunensis Masarykianae
Volume	75
Issue number	5
State	Published - Dec 1 2002

Keywords

Circadecennian rhythm
Peak expiratory flow
Self-measurement

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AU - Sothern, R. B.

AU - Buriokan, N.

AU - Cornelissen-Guillaume, Germaine G

AU - Engel, P.

AU - Halberg, F.

AU - Siegelová, J.

AU - Vlček, J.

AU - Halberg, J.

AU - Halberg, F.

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AB - Peak expiratory flow (PEF) can be self-measured. Self-measurements of PEF on a long-term basis permit assessment of the time structure of PEF and its relation to solar activity expressed in Wolf's relative sunspot number. The results from a longitudinal record spanning 32.5 years were compared with four other shorter series. It appeared that the most prominent periodicity in the annual and infra-annual response of the spectrum was a component with a period of 11.74 years. This periodicity was comparable with the periodicity found for Wolf's relative sunspot number (10.27) during the same span of time.

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Circadecennian peak expiratory flow and the putative merit of self-measurement

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Keywords

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