Long-term mortality and causes of death in endoscopically verified upper gastrointestinal bleeding: comparison of bleeding patients and population controls

Long-term mortality and causes of death in endoscopically verified upper gastrointestinal bleeding: comparison of bleeding patients and population controls Jyrkkä, Johanna; Kastarinen, Mika; Miilunpohja, Sami; Heikkinen, M.; Paajanen, H.; Rantanen, T.; Hartikainen, JEK.