RT Journal Article SR Electronic T1 Variability of corpus callosal area measurements from midsagittal MR images: effect of subject placement within the scanner. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 27 OP 28 VO 17 IS 1 A1 R A Rauch A1 J R Jinkins YR 1996 UL http://www.ajnr.org/content/17/1/27.abstract AB Variation in corpus callosum area measured from midsagittal MR images was evaluated in 12 healthy subjects who were each imaged four to seven times. Statistically significant differences between measurements of the same subject were found on 47% of the images, with an average difference of 5.9% between images.