[A study on the factors associated with the intelligence level of the aged].
Yoshida
Y
Y
Kuroda
M
M
Matsumoto
K
K
Hata
N
N
Morioka
I
I
Kuriyama
Y
Y
Nishimura
K
K
Takeda
S
S
D000203:Activities of Daily Living; D000368:Aged / Q000523:psychology*; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D012931:Social Environment; D013029:Space-Time Clustering