W. H. MERONEY; M. E. RUBINI; W. B. BLYTHE
Diminished ability to concentrate the urine is considered to be an important criterion of renal disease, but the test most often employed to assess concentrating ability is subject to considerable variation and may be difficult to interpret.1 The overnight dehydration test, a standard procedure in many hospitals, will usually yield a specific gravity of 1.022 or greater in the morning urine of a normal person.2 When the specific gravity is less than 1.022, it is taken as evidence of diminished concentrating ability, and other examinations are performed to reveal other defects and establish the diagnosis. If the other examinations are
MERONEY WH, RUBINI ME, BLYTHE WB. THE EFFECT OF ANTECEDENT DIET ON URINE CONCENTRATING ABILITY1. Ann Intern Med. ;48:562–573. doi: 10.7326/0003-4819-48-3-562
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Published: Ann Intern Med. 1958;48(3):562-573.
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