TY  - RPRT
TI  - Normative data for the Symbol Digit Substitution Task.
AU  - F L Royer
AU  - G C Gilmore
AU  - J J Gruhn
PY  - 1981
DO  - 10.1002/1097-4679(198107)37:3<608::aid-jclp2270370328>3.0.co;2-w
UR  - https://pubmed.ncbi.nlm.nih.gov/6167593/
ID  - 6167593
ER  -