Reference limits for haemoglobin and ferritin. If it's not broken, don't fix it.
Heath
A L
AL
Fairweather-Tait
S
S
Worwood
M
M
D015415:Biomarkers / Q000032:analysis; D005293:Ferritins / Q000097:blood*; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D012016:Reference Values
D015415:Biomarkers; D006454:Hemoglobins; D005293:Ferritins