Sign Language
A system of hand gestures used for communication by those with HEARING LOSS or by people speaking different languages.
Year introduced: 1991(1975)1963-1965
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Tree Number(s): E02.760.169.063.500.200.609.668, E02.831.200.609.668, F01.145.209.399.500, F01.145.209.530.702.668, L01.143.649.526.668
MeSH Unique ID: D012813
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