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BioMed Research International
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2015
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Article
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Tab 4
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Research Article
MRA Study on Variation of the Circle of Willis in Healthy Chinese Male Adults
Table 4
Morphology and number variation of ACoA.
ACoA
Normal
Double-branch
Y pattern
Window pattern
Ampulla
Circle pattern
Absence
Not clear
Cases
1631
76
22
88
14
3
383
*
29
Including 27 cases of A2 segment combined stem.