Elderly persons without family support networks and use of health services. A follow-up report on social network relationships.
D000368:Aged; D003153:Community Health Services / Q000706:statistics & numerical data*; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D005190:Family; D006304:Health Status; D006801:Humans; D012931:Social Environment; D012944:Social Support; D014481:United States; D014505:Urban Population