Empirical evaluation of the global deterioration scale for staging Alzheimer's disease.
Reisberg
H
H
Ferris
S H
SH
Sclan
S G
SG
D000368:Aged; D000544:Alzheimer Disease / Q000145:classification / Q000175:diagnosis* / Q000523:psychology; D006801:Humans; D011569:Psychiatric Status Rating Scales / Q000592:standards* / Q000706:statistics & numerical data; D011594:Psychometrics; D012107:Research Design / Q000592:standards; D012720:Severity of Illness Index