TY  - RPRT
TI  - Vision-perception testing and training program: clerical operations.
AU  - H N Walton
AU  - D G Schubert
PY  - 1969
DO  - 10.1097/00006324-196911000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/5261150/
ID  - 5261150
ER  -