When your patient can't hear.
Western Pennsylvania School for the Deaf, Pittsburgh, USA.
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Stefko
D003142:Communication; D003638:Deafness; D004631:Emergency Medical Service Communication Systems; D006309:Hearing / Q000502:physiology; D006310:Hearing Aids; D006801:Humans; D012813:Sign Language; D013685:Telecommunications; D014481:United States