Takakuwa T, Koike T, Muranaka T, Uwabe C, Yamada S. Formation of the circle of Willis during human embryonic development. Congenit Anom (Kyoto). 2016 Sep;56(5):233-6. doi: 10.1111/cga.12165.

Takakuwa T, Koike T, Muranaka T, Uwabe C, Yamada S. Formation of the circle of Willis during human embryonic development. Congenit Anom (Kyoto). 2016 Sep;56(5):233-6. doi: 10.1111/cga.12165.