title: Analysis of muscle biopsies for sodium, chlorine, potassium and phosphorus by neutron activation.
mesh_terms: D001707:Biopsy, Needle; D002713:Chlorine / Q000032:analysis*; D006801:Humans; D066298:In Vitro Techniques; D009132:Muscles / Q000032:analysis*; D009501:Neutron Activation Analysis; D010758:Phosphorus / Q000032:analysis*; D011188:Potassium / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
chemical_list: D010758:Phosphorus; D002713:Chlorine; D012964:Sodium; D011188:Potassium