Long-term follow-up of patients with iron deficiency anemia.
Zollner
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N
D000368:Aged; D018798:Anemia, Iron-Deficiency / Q000209:etiology*; D003937:Diagnosis, Differential; D016099:Endoscopy, Gastrointestinal; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis; D016481:Helicobacter Infections / Q000175:diagnosis; D016480:Helicobacter pylori; D006801:Humans