Scandinavian Journal of Clinical and Laboratory Investigation · 2012 · 61 citations · 21 references
In the clinical setting, diurnal variations of clinical biochemical parameters commonly used through the day and night must be considered when concentration changes in the parameters are evaluated especially potassium and sodium.
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Methods for cosinor-rhythmometry.
Wayne E. Nelson, Yuen-Chai Tong, J K Lee et al. · PubMed · 1980 · 1.7K citations
Electrophysiological Evaluation, Kinesiology, Measurement +4
Circadian Rhythm of Glomerular Filtration Rate in Normal Individuals
M. G. Koopman, G.C.M. Koomen, R. T. Krediet et al. · Clinical Science · 1989 · 253 citations