title: Composition of sarcoplasmic reticulum in situ by electron probe X-ray microanalysis.
mesh_terms: D000818:Animals; D002118:Calcium / Q000032:analysis*; D002712:Chlorides / Q000032:analysis*; D004577:Electron Probe Microanalysis; D005399:Fishes; D008274:Magnesium / Q000032:analysis; D008564:Membrane Potentials; D009119:Muscle Contraction; D009130:Muscle, Smooth / Q000032:analysis*; D011188:Potassium / Q000032:analysis; D012519:Sarcoplasmic Reticulum / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
chemical_list: D002712:Chlorides; D012964:Sodium; D008274:Magnesium; D011188:Potassium; D002118:Calcium