title: [Spring time fatigue or iron deficiency?].
authors.affiliation: , .
authors.forename: Peter
authors.initials: P
authors.lastname: Stiefelhagen
mesh_terms: D018798:Anemia, Iron-Deficiency / Q000175:diagnosis* / Q000209:etiology; D002097:C-Reactive Protein / Q000378:metabolism; D003937:Diagnosis, Differential; D005221:Fatigue / Q000209:etiology*; D005293:Ferritins / Q000097:blood; D006801:Humans; D012621:Seasons
chemical_list: D002097:C-Reactive Protein; D005293:Ferritins