title: What we know is not enough.
authors.affiliation: Terry Sanford Institute of Public Policy, Duke University, Durham, N.C., USA.
authors.forename: D H
authors.initials: DH
authors.lastname: Taylor
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000191:economics* / Q000517:prevention & control; D017281:Cost of Illness; D017048:Health Care Costs; D006701:Home Nursing / Q000191:economics; D006801:Humans; D006278:Medicare / Q000191:economics; D014481:United States