title: Using a metal detector to track a swallowed penny.
authors.forename: John W
authors.initials: JW
authors.lastname: Richards
authors.forename: John W
authors.initials: JW
authors.lastname: Richards
mesh_terms: D002675:Child, Preschool; D005547:Foreign Bodies / Q000175:diagnosis*; D005772:Gastrointestinal Transit; D006801:Humans; D008297:Male