[Mass investigation of serum ferritin].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D005293:Ferritins / Q000097:blood*; D006801:Humans; D008297:Male; D008598:Menstruation; D008875:Middle Aged; D009790:Occupations; D012016:Reference Values; D012737:Sex Factors
D005293:Ferritins