'Hans Berger developed this brain-wave-analyzing device, EEG for short'
an electroencephalograph
FLIPPIN' BURGERS: Hans Berger developed this brain-wave-analyzing device, EEG for short
Hans Berger developed this brain-wave-analyzing device, EEG for short
Hans Berger developed this brain-wave-analyzing device, EEG for short
FLIPPIN' BURGERS
an electroencephalograph
FLIPPIN' BURGERS