title: The influence of calcium on shortening velocity of skinned frog muscle cells.
mesh_terms: D000494:Allosteric Regulation; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D009119:Muscle Contraction / Q000187:drug effects*; D009124:Muscle Proteins / Q000502:physiology*; D009132:Muscles / Q000502:physiology*; D010766:Phosphorylation; D011894:Rana pipiens / Q000502:physiology; D012107:Research Design
chemical_list: D009124:Muscle Proteins; D002118:Calcium