title: [11-year-old girl with 12% weight loss in 6 months].
authors.affiliation: Servicio de Pediatría. Hospital del Bierzo (INSALUD). Ponferrada. León. Spain.
authors.forename: M T
authors.initials: MT
authors.lastname: González Martínez
authors.forename: J M
authors.initials: JM
authors.lastname: Lorenzo Torvisco
authors.forename: M C
authors.initials: MC
authors.lastname: Mosquera Villaverde
mesh_terms: D002648:Child; D004931:Esophageal Achalasia / Q000175:diagnosis*; D005260:Female; D006801:Humans; D015431:Weight Loss