TY - GEN AU - Ruiz-Tovar,Jaime AU - Sáinz,Renato AU - Sanjuanbenito,Alfonso AU - Martínez Molina,Enrique TI - Fourth-portion duodenal diverticulum causing massive upper gastrointestinal bleeding SN - 0003-1348 PY - 2008///0317 KW - Diverticulum KW - complications KW - Duodenal Diseases KW - Gastrointestinal Hemorrhage KW - diagnosis KW - Humans KW - Male KW - Middle Aged N1 - Publication Type: Case Reports; Journal Article ER -