title: Informal support systems in a planned retirement community. Availability, proximity, and willingness to utilize.
mesh_terms: D000368:Aged; D005190:Family; D005260:Female; D006798:Housing; D006801:Humans; D008297:Male; D008875:Middle Aged; D008960:Models, Psychological; D012179:Retirement; D012931:Social Environment; D012944:Social Support; D013997:Time Factors