In subway stations, a door that separates the platform from the train, due to architectural constraints, climate control, or for safety.
Specialized method to collect electron diffraction patterns in a transmission electron microscope.
Paroxysmal exertion-induced dyskinesia (PED) is a form of paroxysmal dyskinesia (see this term), characterized by painless attacks of dystonia of the extremities triggered by prolonged physical activities.
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