title: 3-D may be next big thing, but it's harmonics for now.
authors.forename: G
authors.initials: G
authors.lastname: Freiherr
mesh_terms: D000465:Algorithms; D004738:Engineering; D004867:Equipment Design; D006801:Humans; D021621:Imaging, Three-Dimensional / Q000379:methods / Q000639:trends*; D012984:Software; D014463:Ultrasonography / Q000295:instrumentation* / Q000379:methods / Q000639:trends