Guerra HerbasRicardo Daniel2026-03-222026-03-222015http://www.scielo.org.bo/pdf/rccm/v18n1/v18n1_a16.pdfhttps://andeanlibrary.org/handle/123456789/63494esMedicineC.P.R.E. (Colangiopancreatografía retrógrada endoscópica)article