%0 Journal Article %A J E Johnson %A P J Yang %A C F Koopmann, Jr %A D K Heffner %T Parapharyngeal angiofibroma. %D 1987 %J American Journal of Neuroradiology %P 1152-1153 %V 8 %N 6 %U https://www.ajnr.org/content/ajnr/8/6/1152.full.pdf