PT - JOURNAL ARTICLE AU - Gardner, W. James TI - The Mechanism of Postpuncture Headache DP - 1943 Jul 01 TA - Cleveland Clinic Journal of Medicine PG - 85--87 VI - 10 IP - 3 4099 - http://www.ccjm.org/content/10/3/85.short 4100 - http://www.ccjm.org/content/10/3/85.full SO - Cleve Clin J Med1943 Jul 01; 10