TY  - RPRT
TI  - Operant behavior in the memory-disordered.
AU  - M Ankus
AU  - B Quarrington
PY  - 1972
DO  - 10.1093/geronj/27.4.500
UR  - https://pubmed.ncbi.nlm.nih.gov/5075496/
ID  - 5075496
ER  -