TY  - RPRT
TI  - Augmentative and alternative communication.
AU  - Debora Downey
AU  - Richard Hurtig
PY  - 2003
DO  - 10.3928/0090-4481-20030701-09
UR  - https://pubmed.ncbi.nlm.nih.gov/12891764/
ID  - 12891764
ER  -