TY  - JOUR
A1  - McGue, M.
A1  - Christensen, K.
T1  - The heritability of cognitive functioning in very old adults: Evidence from Danish twins aged 75 years and older
Y1  - 2001
DO  - 10.1037/0882-7974.16.2.272
JF  - Psychology and Aging
VL  - 16
IS  - 2
SP  - 272
EP  - -280

ER  -