Don't underestimate anemia.
D000740:Anemia / Q000150:complications* / Q000175:diagnosis*; D018798:Anemia, Iron-Deficiency / Q000175:diagnosis; D000752:Anemia, Pernicious / Q000209:etiology; D015415:Biomarkers / Q000097:blood; D005293:Ferritins / Q000097:blood; D006801:Humans; D007249:Inflammation / Q000097:blood
D015415:Biomarkers; D005293:Ferritins