The Journal of Urology · 2004 · 44 citations · 17 references
This study suggests that the threshold of 8 to define abnormal urinary frequency may not be correct since more than a third of our sample of asymptomatic men voided more than 8 times daily. It is probably inadvisable to apply a single set of normative values to all American men because of significant variability in regional climates and populations.
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Huub A. M. Middelkoop, D. A. Smilde-van den Doel, Arie Knuistingh Neven et al. · The Journals of Gerontology Series A · 1996 · 364 citations · Full text
Michael J. Barry, Floyd J. Fowler, Michael P. O’Leary et al. · The Journal of Urology · 1992 · 204 citations
Self-administered Versions, Urology, Voiding Dysfunction +12