PT  - JOURNAL ARTICLE
AU  - Johansen, J G
AU  - Hemminghytt, S
AU  - Haughton, V M
TI  - CT Appearance of the retroisthmic cleft.
DP  - 1984 Nov 01
TA  - American Journal of Neuroradiology
PG  - 835--836
VI  - 5
IP  - 6
4099  - http://www.ajnr.org/content/5/6/835.short
4100  - http://www.ajnr.org/content/5/6/835.full
SO  - Am. J. Neuroradiol.1984 Nov 01; 5