What changed
Reported transmission-ultrasound hyperphonography of the human head.
Scientific scope
The record is the exact three-author 1947 German article. It is an early transmission experiment, not modern pulse-echo sonography or validated tumor diagnosis; later historical work reports poor image quality and artifact concerns.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact three-author 1947 German article. It is an early transmission experiment, not modern pulse-echo sonography or validated tumor diagnosis; later historical work reports poor image quality and artifact concerns.
Contributors
- K. T. Dussik · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- F. Dussik · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- L. Wyt · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
- PubMed record for Towards hyperphonography of the brain
- Historical study of diagnostic-ultrasound development
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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B