TY - GEN AU - Ashorn,M AU - Mäki,M AU - Ruuska,T AU - Karikoski-Leo,R AU - Hällström,M AU - Kokki,M AU - Miettinen,A AU - Visakorpi,J K TI - Upper gastrointestinal endoscopy in recurrent abdominal pain of childhood SN - 0277-2116 PY - 1993///0615 KW - Abdominal Pain KW - etiology KW - Adolescent KW - Child KW - Child, Preschool KW - Endoscopy, Gastrointestinal KW - Female KW - Gastritis KW - complications KW - Helicobacter Infections KW - Humans KW - Male KW - Recurrence N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1097/00005176-199304000-00009 ER -