51-CHROMIUMETHYLENEDIAMINETETRAACETICACID (51Cr-EDTA) GLOMERULAR FILTRATION RATE (GFR) ANALYSIS: COMPARING TWO BLOOD SAMPLING WITH MULTIPLE BLOOD SAMPLING - A.R, Shahrir; Shuaib, Ibrahim Lutfi; Ahmad Sarji, Sazilah (IIUM Medical Journal Malaysia, 2015)