Aids to bridge the communication barrier.
Kumin
L
L
Rysticken
N
N
D000368:Aged; D003142:Communication; D003143:Communication Devices for People with Disabilities; D003144:Communication Barriers; D003147:Communication Disorders / Q000534:rehabilitation*; D005260:Female; D006801:Humans; D007831:Larynx, Artificial; D008297:Male; D008875:Middle Aged; D012656:Self-Help Devices