Fractional excretion of potassium:Ratio:XXX:Urine+Ser/Plas:Qn
fractional excretion of potassium:ratio:xxx:urine+ser/plas:qn
Fractional excretion of potassium Unsp time (U+S/P) [Ratio]
fractional excretion of potassium unsp time (u+s/p) [ratio]