[Early days and path of thoracic ultrasound].
Rettenmaier
G
G
D004867:Equipment Design; D049673:History, 20th Century; D006801:Humans; D013909:Thorax / Q000000981:diagnostic imaging*; D014159:Transducers; D014463:Ultrasonography / Q000266:history* / Q000295:instrumentation
Beginn und Weg der Thoraxsonographie.