title: [Reliability and validity of a new ultrasound system (author's transl)].
mesh_terms: D000818:Animals; D001699:Biometry / Q000295:instrumentation / Q000379:methods; D003201:Computers; D005123:Eye / Q000033:anatomy & histology*; D006801:Humans; D007231:Infant, Newborn; D013552:Swine; D014463:Ultrasonography