@inbook{1168055409,
author={Maxine A. Papadakis and Stephen J. McPhee and Jennifer Bernstein},
title={Headache, Cluster},
booktitle={Quick Medical Diagnosis & Treatment 2020},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2020},
url={accessmedicine.mhmedical.com/content.aspx?aid=1168055409}
}