AU - STRONG PN, Jr. TI - EFfects of age, education, and brain damage on a learning digit symbol test PT - JOUR DP - 1959 TA - A.M.A. Archives of General Psychiatry pages = {506-512}, VI - 1 IP - 5 AID - 10.1001/archpsyc.1959.03590050074009 [doi] 4100 - http://dx.doi.org/10.1001/archpsyc.1959.03590050074009 SO - A.M.A. Archives of General Psychiatry November 1, 1959 1(5):506