Fig. 4From: Comparative cardio and developmental toxicity induced by the popular medicinal extract of Sutherlandia frutescens (L.) R.Br. detected using a zebrafish Tuebingen embryo modelThe death rate of zebrafish embryos exposed to various concentrations of S. frutescens. a S.fru-OH extract and b S.fru-H2O were applied at 0–300 μg/ml; and, the hatching rate of zebrafish embryos exposed to various concentrations of S. frutescens. c S.fru-OH extract and d S.fru-H2O were applied at 0–300 μg/mlBack to article page