| Table of contents Endoscopia vol.34 n.2 Ciudad de México Apr./Jun. 2022 Review articles | | | | · Endoscopic sphincterotomy and choledocholithiasis: the basics Téllez-Ávila, Félix I.
| | | | · COVID-19 pandemic impact in Mexico's gastrointestinal endoscopy units, a survey of the first months Alzúa-Pichardo, Eduardo; Villar-Tapia, Jorge A.; Herrera-Servín, Miguel A.; Trujillo-Benavides, Omar E.; Ornelas-Escobedo, Edwin
| | | | · Endoscopy in chronic pancreatitis López-Cossío, Jorge A.; Téllez-Ávila, Félix I.
| | | | · Endoscopy’s role in the management of acute pancreatitis and its complications Muñoz, Everardo; Téllez-Ávila, Félix I.
| | | Special article | | | | · Endoscopy around the world Téllez-Ávila, Félix I.
| | | Case reports | | | | · Malignant melanoma of the colon of unknown primary origin: case report Tusen-Toledo, Yunia; Ruiz-Torres, Julián; Carballo-Espinosa, Robin; Massó-Vicet, Yusel; Chao-Fernández, Ana M.; Martínez-Leyva, Ludmila
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