For test of acute tolerance, six successive injections of either TRA (20 mg/ kg) alone, DHE (1 000 ng/kg) alone, or a combination of TRA (20 mg/kg) and DHE (250 ng/kg) were administered.

• 在急性耐受实验中,连续6次注射TRA(20 mg/kg)、 DHE(1000 ng/kg)或两药的组合(TRA20 mg/kg+DHE 250 ng/kg)。