title: Massive gastrointestinal bleeding caused by a gastrointestinal stromal tumour of the third part of the duodenum treated by means of emergency partial duodenal resection.
authors.affiliation: Department of General, Gastroenterological, and Oncological Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland.
authors.forename: Grzegorz
authors.initials: G
authors.lastname: Jarczyk
authors.affiliation: Department of General, Gastroenterological, and Oncological Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland.
authors.forename: Łukasz
authors.initials: Ł
authors.lastname: Bereziak
authors.affiliation: Department of General, Gastroenterological, and Oncological Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Poland.
authors.forename: Marek
authors.initials: M
authors.lastname: Jackowski