ALB and hydrops fetalis: (c–e) Top: low power views of kidney slices after perfusion in vivo with FITC-albumin gelatin, from (c) control (contralateral) kidney, (d) a kidney after ischaemia and 30 min reperfusion, and (e) a kidney 30 min after treatment with HF on reperfusion Bottom: regions of interest (ROIs) are shown in red and blue for the cortex and medulla.