Haemophilia; gastric ulcer; haematemesis; emergency gastrectomy.
D005743:Gastrectomy; D006396:Hematemesis / Q000150:complications*; D006467:Hemophilia A / Q000150:complications*; D006801:Humans; D008511:Medicine; D010438:Peptic Ulcer Hemorrhage; D013276:Stomach Ulcer
HEMATEMESIS/complications; HEMOPHILIA/complications; PEPTIC ULCER/hemorrhage