TY  - RPRT
TI  - Visual processing deficits as assessed by spatial frequency contrast sensitivity and backward masking in normal ageing and Alzheimer's disease.
AU  - G Schlotterer
AU  - M Moscovitch
AU  - D Crapper-McLachlan
PY  - 1984
DO  - 10.1093/brain/107.1.309
UR  - https://pubmed.ncbi.nlm.nih.gov/6697160/
ID  - 6697160
ER  -