3656
( We observed a ferritin value as high as 47 mg / L in one patient . ) Results with all these kits did not inter - compare well for ferritin concentrations greater than 300 micrograms / L , a finding that casts further doubt on the controversial use of serum ferritin measurement in cases of iron overload .
 GENE: ferritin; GENE: ferritin; GENE: serum ferritin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: ferritin; GENE: ferritin; GENE: serum ferritin