Plongthong N, Kumkanok G, Sutthiprapa W, Kanittakul K. A case report: Gastroesophageal intussusception with megaesophagus in a Chihuahua puppy. J. Mahanakorn Vet. Med. [internet]. 2025 Dec. 29 [cited 2026 Aug. 30];20(2):49-58. available from: https://li01.tci-thaijo.org/index.php/jmvm/article/view/269100