title: [Always worn-out and tired. When is iron substitution meaningful?].
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D000293:Adolescent; D018798:Anemia, Iron-Deficiency / Q000175:diagnosis* / Q000188:drug therapy* / Q000209:etiology; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D016481:Helicobacter Infections / Q000150:complications* / Q000628:therapy; D016480:Helicobacter pylori; D006801:Humans; D008297:Male; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000175:diagnosis; D012307:Risk Factors; D013177:Sports