RT Journal Article SR Electronic T1 Pneumatization of the occipital bone as a cause of radiolucent skull lesions. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 1249 OP 1250 VO 4 IS 6 A1 W W Lo A1 E Zapanta YR 1983 UL http://www.ajnr.org/content/4/6/1249.abstract AB