title: [Abdominal ultrasonics. I. General principles].
mesh_terms: D000007:Abdominal Injuries / Q000175:diagnosis*; D000008:Abdominal Neoplasms / Q000175:diagnosis*; D005335:Fever of Unknown Origin / Q000175:diagnosis; D006801:Humans; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography
vernacular_title: Ecografía abdominal. I. Principios generales.