title: [Yield of abdominal ultrasonography in the diagnosis of acute appendicitis. Importance of the likelihood ratio].
authors.forename: J
authors.initials: J
authors.lastname: González de Dios
authors.forename: C
authors.initials: C
authors.lastname: Ochoa Sangrador
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000000981:diagnostic imaging*; D002648:Child; D006801:Humans; D016013:Likelihood Functions; D014463:Ultrasonography