[Role of the extracellular calcium in the excitation and contraction of the smooth muscle of the guinea-pig taenia coli].
D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000502:physiology*; D003080:Cold Temperature; D003106:Colon / Q000502:physiology*; D005110:Extracellular Space; D006168:Guinea Pigs; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000502:physiology*
D002118:Calcium