RT Journal Article SR Electronic T1 The Social Network of Loneliness JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 2207 OP 2208 DO 10.3174/ajnr.A3964 VO 35 IS 12 A1 Castillo, M. YR 2014 UL http://www.ajnr.org/content/35/12/2207.abstract AB