title: Contractile activation in slow and twitch muscle fibres of the frog.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D007700:Kinetics; D008564:Membrane Potentials; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D011896:Rana temporaria; D012519:Sarcoplasmic Reticulum / Q000378:metabolism
chemical_list: D002118:Calcium