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. 1959 Jul 25;170(13):1533-7.
doi: 10.1001/jama.1959.03010130037010.

Urineserum urea nitrogen ratio; simple test of renal function in acute azotemia and oliguria

Urineserum urea nitrogen ratio; simple test of renal function in acute azotemia and oliguria

M PERLMUTTER et al. J Am Med Assoc. .
No abstract available

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