pɹˈɛzəntli, fˈɔːɹməl ˌæŋɡɪˈɑːɡɹəfi ʌvðə sˈɜːkəl ʌv wˈɪlɪs ɪz pɚfˈɔːɹmd vˈaɪə kˈæθɛɾɚɹ ˌæŋɡɪˈɑːɡɹəfi, wɪð ˈæksɛs jˈuːʒuːəli bˌiːɪŋ ɐkwˈaɪɚd æt ðə kˈɑːmən fˈɛmɚɹəl ˈɑːɹɾɚɹi.
Presently, formal angiography of the circle of Willis is performed via catheter angiography, with access usually being acquired at the common femoral artery.