Caregiver – recipient closeness and symptom progression in Alzheimer’s disease. The Cache County Dementia Progression Study

Norton MC, Piercy KW, Rabins PV, Green RC, Breitner JC, Ostbye T, Corcoran C, Welsh-Bohmer KA, Lyketsos CG, Tschanz JT
The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences September 2009