[Contrast media in ultrasonography. Methodologic problems in clinical use].
Cattedra R Radiologia, Università di Genova.
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Derchi
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Martinoli
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G
Crespi
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Pretolesi
D003287:Contrast Media / Q000008:administration & dosage; D006801:Humans; D014463:Ultrasonography
D003287:Contrast Media