First page of Dussik's paper"Uber die moglichkeit hochfrequente mechanische schwingungen als diagnostisches hilfsmittel zu verwerten" in 1942. In the paper they presented the theoretical considerations, their quartz ultrasound generator and preliminary experiments
The following are pages 2 and other representative pages from the paper:
P. 161 on his quartz generator, pps.162 and 163 on his initial experiments on ultrasound tranmission through the brain.
P. 168 detailed his conclusions.
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