PT  - JOURNAL ARTICLE
AU  - Wolpert, S M
TI  - The circle of Willis.
DP  - 1997 Jun 01
TA  - American Journal of Neuroradiology
PG  - 1033--1034
VI  - 18
IP  - 6
4099  - http://www.ajnr.org/content/18/6/1033.short
4100  - http://www.ajnr.org/content/18/6/1033.full
SO  - Am. J. Neuroradiol.1997 Jun 01; 18