title: [Iron, deficiency anemia, an approach from the gastroenterology].
authors.forename: E
authors.initials: E
authors.lastname: Varela
authors.forename: J
authors.initials: J
authors.lastname: Olmos
mesh_terms: D000367:Age Factors; D018798:Anemia, Iron-Deficiency / Q000175:diagnosis* / Q000209:etiology; D016099:Endoscopy, Gastrointestinal; D005767:Gastrointestinal Diseases / Q000150:complications*; D006801:Humans; D012737:Sex Factors