RT Journal Article SR Electronic T1 MR methods of measuring changes in brain and cerebrospinal fluid volume with age and menstrual cycle. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1199 OP 1200 VO 17 IS 6 A1 B Condon A1 D M Hadley YR 1996 UL http://www.ajnr.org/content/17/6/1199.abstract