Global Deterioration Scale (GDS).
Reisberg
B
B
Ferris
S H
SH
de Leon
M J
MJ
Crook
T
T
D000368:Aged; D000369:Aged, 80 and over; D000544:Alzheimer Disease / Q000175:diagnosis / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011569:Psychiatric Status Rating Scales