Effect of the number of peak expiratory flow readings per day on the estimation of diurnal variation

BACKGROUND—The number of peak expiratory flow (PEF) readings required per day to assess diurnal variation accurately is not known; published studies have used between two and seven PEF readings per day. This study compares the diurnal variation calculated using 2-10 PEF readings per day.
METHODS—All...

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Detaylı Bibliyografya
Asıl Yazarlar: Gannon, P, Newton, D, Pantin, C, Burge, P
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: BMJ Group 1998
Konular:
Short Paper
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC1745316/
https://ncbi.nlm.nih.gov/pubmed/10319063
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