TY - GEN AU - Michałowicz-Wojczyńska,E AU - Orłowska,J AU - Swiatkowski,P TI - [Chronic gastritis in children] SN - 0031-3939 PY - 1986///0110 KW - Adolescent KW - Child KW - Chronic Disease KW - False Negative Reactions KW - Gastric Mucosa KW - pathology KW - Gastritis KW - Gastroscopy KW - Humans N1 - Publication Type: Comparative Study; English Abstract; Journal Article ER -