Tariq, R. .; Choudhary, I. A. .; Zaheer, S. .; Naveed, Q. . Trachea-O-Esophageal Fistula Following Button Battery Ingestion, Presenting One Month After the Event- A Rare Presentation. J. Bahria Univ. Med. Dent. Coll. 2024, 14, 164-166.