TY - JOUR AU - Claudon, M; Dietrich, C F; Choi, B I TI - Guidelines and Good Clinical Practice Recommendations for Contrast Enhanced Ultrasound (CEUS) in the Liver – Update 2012 JO - Ultraschall in Med VL - 34 PY - 2013 DO - 10.1055/s-0033-1335890 L3 - PubMed-ID: 23775447 SP - 11 EP - 29 N1 - et al. ER -