TY - RPRT TI - Validation therapy: extracts from 20 groups with dementia sufferers. AU - C Bleathman AU - I Morton PY - 1992 DO - 10.1111/j.1365-2648.1992.tb01961.x UR - https://pubmed.ncbi.nlm.nih.gov/1607496/ ID - 1607496 ER -