An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Allen PA, Smith AF, Groth KE, Pickle JL, Grabbe JW, Madden DJ.Allen PA, et al. Among authors: grabbe jw.Psychol Aging. 2002 Dec;17(4):622-35.Psychol Aging. 2002.PMID: 12507359
Allen PA, Kaut KP, Lord RG, Hall RJ, Grabbe JW, Bowie T.Allen PA, et al. Among authors: grabbe jw.Exp Aging Res. 2005 Oct-Dec;31(4):355-91. doi: 10.1080/03610730500206642.Exp Aging Res. 2005.PMID: 16147458Clinical Trial.
Ruthruff E, Allen PA, Lien MC, Grabbe J.Ruthruff E, et al. Among authors: grabbe j.Psychon Bull Rev. 2008 Apr;15(2):337-43. doi: 10.3758/pbr.15.2.337.Psychon Bull Rev. 2008.PMID: 18488649