1. 2) Riedel-Heller SG, Matschinger H, Schork A, Angermeyer MC: Do memory complaints indicate the presence of cognitive impairment? Results of a field study. Eur. Arch. Psychiatry Clin Neurosci 1999; 249: 197-204.
2. 3) Craik FIM, Anderson ND, Kerr SA, Li KZH: Memory changes in normal ageing, In: Handbook of Memory Disorders, Baddeley AD, Wilson BA, Watts FN (eds), John Wiley & Sons, New York, 1995, p211-241.
3. 4) Lezak MD, Howieson DB, Bigler ED, Tranel D: Neuropsychological Assessment, 5th Ed, Oxford University Press, New York, 2012, p468-494.
4. 5) Lezak MD: Neuropsychological Assessment, 3rd Ed, Oxford University Press, New York, 1995, p422-429.
5. 8) Cavanaugh JC, Grady JG, Perlmutter M: Forgetting and use of memory aids in 20 to 70 year olds everyday life. Int J Aging Hum Dev 1983; 17: 113-122.