1) Bruer R.A., Spitznagel E., Cloninger C.R.: The temporal limits of cognitive change from music therapy in elderly persons with dementia of demen-tia-like cognitive impairment: a randomized con-trolled trial. J. Music Ther. 44(4):308-28, 2007.
2) Choi A.N., Lee M.S., Cheong K.J., Lee J.S.: Ef-fects of group music intervention on behavioral and psychological symptoms in patients with de-mentia: a pilot-controlled trial. Int. J.Neurosci. 119(4):471-81, 2009.
4 ) Guetin S., Portet P., Picot M.C., Pommie C., Messaoudi M., Djabeikir L., Qisen A.L., Cano M.M., Lecourt E., Touchon J.: Effect of music ther-apy on anxiety and depression in patients with Alzheimer's type dementia: randomised, controlled study. Neuropsychiatr. 23(1):4-14, 2009.
5) Kalmijn S., Mehta K. M., Pols H.A., Hofman A., Drexhage H.A., Breteler M. M.: Subclinical hyper-thyroidism and the risk of dementia. The Rotter-dam study. Clin. Endocrinol (Oxf.), 53(6):733-737,2000.