title: Isometric and isotonic spontaneous contractions of guinea-pig taenia coli.
mesh_terms: D000818:Animals; D003106:Colon / Q000502:physiology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects; D011188:Potassium / Q000494:pharmacology
chemical_list: D011188:Potassium