Table 1

Dose-effect data1-a

Morphine SO4Clonidine HCl
DoseEffectDoseEffect
1.13819.670.80019.79
3.79340.322.66731.40
11.3861.917.99874.92
37.9388.5226.6692.41
D 50 = 5.856 D 50 = 3.787
  • 1-a Dose of salt (μg) and effect as mean % MPE based on 10 animals and use of the hyperbolic model in which the constant C = D50 .