"Duchenne"
"Becker"
Expected headings
"Physiology"
"Elevated creatine kinase"
"Endocrine"
"Electrolyte disturbances"
"Muscle injury"
"Drugs"
"Neuromuscular"
"Muscle dystrophies"
"Metabolic and mitochondrial disorders of muscle"
"Inflammatory myopathies"
"Miscellaneous neuromuscular disorders"
"Miscellaneous"
"There are a very large number of causes of an increased serum creatine kinase:"