Magnetic resonance angiographic evaluation of circulus arteriosus cerebri (circle of Willis): a morphologic study in 100 human healthy subjects.
Journal article published in 1996 by
C. Macchi,
C. Catini,
C. Federico,
M. Gulisano,
P. Pacini,
F. Cecchi 
,
L. Corcos,
E. Brizzi
,
L. Corcos,
E. Brizzi
