The Acquired Metabolic Disorders of the Nervous System, High-Altitude (mountain) sickness
Adams & Victors Principles of Neurology Chp 40, pg 1139, Ropper, A.H.,et al, 2014
Aspirin for Prophylaxis Against Headache at High Altitudes:Randomised, Double Blind, Placebo Controlled Trial
BMJ 316:1057-1058, Burtscher,M.,et al, 1998