Fractional excretion of magnesium:Ratio:Pt:Urine+Ser/Plas:Qn
fractional excretion of magnesium:ratio:pt:urine+ser/plas:qn
Fractional excretion of magnesium [Ratio] in Urine and Serum or Plasma
fractional excretion of magnesium [ratio] in urine and serum or plasma