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Figure 1: Physiographic recordings showing the effect of lead acetate alone (PbA; 1A) and in the presence of 0.1 μM prazosin (Prz; 1B) or 1 mg/ml WRE (1C) on autorhythmicity of rat isolated portal vein

Figure 1: Physiographic recordings showing the effect of lead acetate alone (PbA; 1A) and in the presence of 0.1 μM prazosin (Prz; 1B) or 1 mg/ml WRE (1C) on autorhythmicity of rat isolated portal vein