TY - RPRT TI - Corrugated (multiple) ringed esophagus, GERD versus allergy? AU - David E Langdon PY - 2002 DO - 10.1111/j.1572-0241.2002.05712.x UR - https://pubmed.ncbi.nlm.nih.gov/12014736/ ID - 12014736 ER -