It would have been important if this article had included the minimum bile duct diameter which the authors considered to be dilated, and it would also have been useful if they had included whether or not bile duct diameters had been measured with ultrasound by radiologists.
Como comentario adicional hubiese sido importante que en el trabajo se hubiera escrito el diámetro a partir del cual se consideró dilatada la vía biliar y mencionar si los radiólogos median este diámetro en la US.