@inbook{1101638979,
author={José Biller, MD, FACP, FAAN, FAHA and Gregory Gruener, MD, MBA and Paul W. Brazis, MD},
title={PREFACE to the Sixth Edition},
booktitle={DeMyer's The Neurologic Examination: A Programmed Text, Sixth Edition},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2011},
url={neurology.mhmedical.com/content.aspx?aid=1101638979}
}