Validation and comparison of three formulae to estimate sodium and potassium excretion from a single-morning fasting urine compared to 24-h measures in 11 countries.
Departments of Medicine, Physiology and Pharmacology and Community Health Sciences, The University of Calgary, Calgary, Alberta, Canada.
Norm
N
Campbell
D005215:Fasting; D005260:Female; D006801:Humans; D008297:Male; D011188:Potassium / Q000652:urine*; D012964:Sodium / Q000652:urine*
D012964:Sodium; D011188:Potassium