Fig. 5From: HPLC estimation of iothalamate to measure glomerular filtration rate in humansAverage plasma, urine and GFR concentration-time profile of 20 volunteers, where blood and urine was collected at 60, 90, 120 and 150 min from subjects after a single intravenous bolus injection of 1.5-mL Conray™ 43, here error bars represents SEMBack to article page