title: Regarding 'Investigation for iron deficiency anaemia'.
authors.forename: John P
authors.initials: JP
authors.lastname: Dunn
mesh_terms: D018798:Anemia, Iron-Deficiency / Q000209:etiology*; D001706:Biopsy; D002446:Celiac Disease / Q000150:complications / Q000175:diagnosis*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000150:complications / Q000175:diagnosis; D003951:Diagnostic Errors; D004386:Duodenum / Q000473:pathology*; D006801:Humans; D009780:Occult Blood