A ring-shaped gas sign: a case of the accidental ingestion of a press-through package

Dai Kubota1,2, Yosuke Tsuji3,4, Yoku Hayakawa2

  • 1Next-Generation Endoscopic Computer Vision, Graduate School of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan.

PubMed

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