G Karatzas's research works | Attikon University Hospital, Athens and other places
Global variation in postoperative mortality and complications after cancer surgery: a multicentre, prospective cohort study in 82 countries - The Lancet
Ioannis I. Lazaridis's research works | Universitätsspital Basel, Basel and other places
Ioannis Theodoropoulos - Gastroenterologist - Surrey and Sussex Healthcare NHS Trust | LinkedIn