@inbook{1113009647,
author={Eric Shamus, PhD, DPT, PT, CSCS and Mollie Venglar, Dsc, MSPT, NCS},
editor={Shamus, Eric},
title={HEADACHE, CERVICOGENIC},
booktitle={The Color Atlas of Physical Therapy},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2015},
url={accessphysiotherapy.mhmedical.com/content.aspx?aid=1113009647}
}