MORENO ALFONSO, J.; PÉREZ MARTÍNEZ, A.; MOLINA CABALLERO, A.; BUSTO AGUIRREURRETA, N.; GOÑI-ORAYEN, C.; GIL SÁENZ, F.; ELCANO SARASIBAR, L. Unusual radiological finding in foreign bodies ingestion: three esophageal coins. Colombia Médica, v. 52, n. 4, p. e5005016, 14 fev. 2022.