title: [Recent research of contrast echocardiography in Japan].
authors.affiliation: Department of Health Science, Osaka University School of Medicine.
authors.forename: S
authors.initials: S
authors.lastname: Beppu
mesh_terms: D004452:Echocardiography; D015150:Echocardiography, Doppler; D006801:Humans; D007089:Image Enhancement