Marner, Lisbeth; Nyengaard, Jens R.; Tang, Yong; Pakkenberg, Bente (2003). «Marked loss of myelinated nerve fibers in the human brain with age». The Journal of Comparative Neurology. 462 (2): 144–52. doi:10.1002/cne.10714. PMID12794739.
Sowell, Elizabeth R.; Peterson, Bradley S.; Thompson, Paul M.; Welcome, Suzanne E.; Henkenius, Amy L.; Toga, Arthur W. (2003). «Mapping cortical change across the human life span». Nature Neuroscience. 6 (3): 309–15. doi:10.1038/nn1008. PMID12548289.
Marner, Lisbeth; Nyengaard, Jens R.; Tang, Yong; Pakkenberg, Bente (2003). «Marked loss of myelinated nerve fibers in the human brain with age». The Journal of Comparative Neurology. 462 (2): 144–52. doi:10.1002/cne.10714. PMID12794739.
Sowell, Elizabeth R.; Peterson, Bradley S.; Thompson, Paul M.; Welcome, Suzanne E.; Henkenius, Amy L.; Toga, Arthur W. (2003). «Mapping cortical change across the human life span». Nature Neuroscience. 6 (3): 309–15. doi:10.1038/nn1008. PMID12548289.