title: [Your ultrasound diagnosis? Key ring 2.5 cm in diameter, freely mobile in the stomach].
authors: Radiologie Stadtspital Triemli 8063 Zürich. jprim@bluewin.ch
authors: J
authors: J
authors: Prim
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D013270:Stomach / Q000000981:diagnostic imaging*; D014463:Ultrasonography