title: [General principles of sonography, part 1. Basic   physics, imaging and Doppler techniques].
authors.forename: F
authors.initials: F
authors.lastname: Einhaus
authors.forename: C A
authors.initials: CA
authors.lastname: Greim
mesh_terms: D000776:Anesthesiology / Q000379:methods; D001783:Blood Flow Velocity; D003952:Diagnostic Imaging / Q000379:methods*; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D014463:Ultrasonography / Q000379:methods*; D018608:Ultrasonography, Doppler / Q000379:methods*