[Long-persisting foreign body in the esophagus].
D001986:Bronchial Spasm / Q000209:etiology; D001991:Bronchitis / Q000209:etiology; D002675:Child, Preschool; D004947:Esophagus; D005547:Foreign Bodies / Q000150:complications*; D006801:Humans; D008297:Male; D013997:Time Factors
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