MEASUREMENT OF SOUND TRANSMISSION IN THE MIDDLE EAR.
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Audiometry↗
Biomedical subjects
E H FREI
Publications and source records attributed to E H FREI.
AN INSTRUMENT FOR AUTOMATICALLY RECORDING THE OSMOTIC FRAGILITY CURVE OF RED CELLS AND/OR ITS DERIVATIVE.
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Electronic Data Processing↗
SUBMINIATURE APPARATUS FOR RADIO-TELEMETERING OF EEG DATA.
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Electroencephalography↗
Electrocorticogram transmission by a transistorized subminitature amplifier-transmitter for the normal and epileptic range.
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Amplifiers, Electronic↗
An exposure meter for the electron microscope.
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Electrons↗