TY - GEN AU - Roma,E AU - Kafritsa,Y AU - Panayiotou,J AU - Liakou,R AU - Constantopoulos,A TI - Is peptic ulcer a common cause of upper gastrointestinal symptoms? SN - 0340-6199 PY - 2002///0103 KW - Adolescent KW - Child KW - Child, Preschool KW - Duodenal Ulcer KW - complications KW - Endoscopy, Gastrointestinal KW - Female KW - Helicobacter Infections KW - Helicobacter pylori KW - Humans KW - Infant KW - Male KW - Retrospective Studies KW - Stomach Ulcer N1 - Publication Type: Journal Article UR - https://doi.org/10.1007/s004310100777 ER -