title: [Severe anemia due to gastrointestinal blood loss and Bean syndrome].
authors: Cristina
authors: C
authors: López-Martín
authors: Luis
authors: L
authors: Grande Herrero
authors: Jorge
authors: J
authors: Nuñez Otero
mesh_terms: D000293:Adolescent; D000740:Anemia / Q000209:etiology*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000150:complications*; D005770:Gastrointestinal Neoplasms / Q000150:complications*; D006801:Humans; D018329:Nevus, Blue / Q000150:complications*; D012878:Skin Neoplasms / Q000150:complications*