TY - GEN AU - Shishlov,V I AU - Kuchkin,N V TI - [Duplication of the digestive tract] SN - 0023-1207 PY - 1970///1007 KW - Adolescent KW - Esophagus KW - abnormalities KW - Female KW - Humans KW - Stomach N1 - Publication Type: Case Reports; Journal Article ER -