Cluster HeadacheStreaming Video - 2013
A cluster headache is one-sided head pain that may involve tearing of the eyes and a stuffy nose. Attacks occur regularly for 1 week to 1 year, separated by long pain-free periods that last at least 1 month, possibly longer.
Publisher: New York, N.Y. : Films Media Group, , c2011
Characteristics: 1 streaming video file (2 min.) : sd., col