Viral Infections of the Nervous System, Chronic Meningitis, and Prior Diseases, Acute Anterior Poliomyelitis
Adams & Victors Principles of Neurology, Chp 33, pg 763, Ropper, A.H.,et al, 2014
Mechanisms, Causes, and Effects of Hypercapnia
UptoDate Dec, Feller-Kopman, D.J. & Schwartzstein, R.M., 2016