PT  - JOURNAL ARTICLE
AU  - Hartsock, C. L.
TI  - Headache Caused by Arthritis of the Cervical Spine
DP  - 1939 Oct 01
TA  - Cleveland Clinic Journal of Medicine
PG  - 261--264
VI  - 6
IP  - 4
4099  - http://www.ccjm.org/content/6/4/261.short
4100  - http://www.ccjm.org/content/6/4/261.full
SO  - Cleve Clin J Med1939 Oct 01; 6