[Abdominal ultrasonics: indications, risks, costs and error factors in the interpretation].
D000005:Abdomen / Q000473:pathology*; D003951:Diagnostic Errors; D006801:Humans; D012306:Risk; D014465:Ultrasonics / Q000009:adverse effects; D014463:Ultrasonography / Q000191:economics
Ultrasonido abdominal: indicaciones, riesgos, costos y factores de error en la interpretación.