Task: Named Entity Recognition
Input (English):  A higher percentage of children with cerebral malaria ( 40 per cent ) than with non - cerebral malaria ( 29 per cent ) or controls ( 20 per cent ) also had either serum ferritin < 100 micrograms / l and inflammation or sTfR > 7 . 3 mg / l or both .
Output (English): serum ferritin