Alteraciones de la tolerancia a la glucosa y frecuencia de síndrome metabólico en pacientes con enfermedad por hígado graso no alcohólico 

Riesgo perioperatorio del bypass gástrico reseccional en pacientes con obesidad mórbida. Estudio prospectivo de 684 pacientes 

Regression of intestinal metaplasia to cardiac or fundic mucosa in patients with Barrett's esophagus submitted to vagotomy, partial gastrectomy and duodenal diversion. A prospective study of 78 patients with more than 5 years of follow up 

Results of gastric bypass plus resection of the distal excluded gastric segment in patients with morbid obesity 

Very late results of esophagomyotomy for patients with achalasia - Clinical, endoscopic, histologic, manometric, and acid reflux studies in 67 patients for a mean follow-up of 190 months 

Effect of gastric bypass on Barrett's esophagus and intestinal metaplasia of the cardia in patients with morbid obesity 

Laparoscopic splenectomy in hematological diseases 

Reflexiones en torno a la ley N° 20.584 y sus implicancias para la investigación biomédica en Chile 

Open transthoracic or transhiatal esophagectomy versus minimally invasive esophagectomy in terms of morbidity, mortality and survival 

Barrett's esophagus can develop after antireflux surgery