TY - GEN AU - Langdon,D E TI - Corrugated ringed esophagus SN - 0002-9270 PY - 1993///0928 KW - Adolescent KW - Dilatation KW - adverse effects KW - Esophageal Stenosis KW - pathology KW - Esophagitis KW - Esophagus KW - Female KW - Humans KW - Male KW - Middle Aged N1 - Publication Type: Comment; Letter ER -