TY - RPRT TI - Age differences in symbol-digit substitution task performance. AU - G C Gilmore AU - F L Royer AU - J J Gruhn PY - 1983 DO - 10.1002/1097-4679(198301)39:1<114::aid-jclp2270390122>3.0.co;2-6 UR - https://pubmed.ncbi.nlm.nih.gov/6186694/ ID - 6186694 ER -