Influence of extracellular calcium on isometric force and velocity of shortening in depolarized venous smooth muscle.
D000818:Animals; D001665:Binding Sites; D002118:Calcium / Q000494:pharmacology*; D006863:Hydrogen-Ion Concentration; D007552:Isotonic Solutions; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D011169:Portal Vein / Q000187:drug effects; D051381:Rats
D007552:Isotonic Solutions; D002118:Calcium