Schulz Richard, Burgio Louis, Burns Robert, Eisdorfer Carl, Gallagher-Thompson Dolores, Gitlin Laura N, Mahoney Diane Feeney
University of Pittsburgh, University Center for Social and Urban Research, 121 University Place, Pittsburgh, PA 15260,USA.
Gerontologist. 2003 Aug;43(4):514-20. doi: 10.1093/geront/43.4.514.