Jeffrey H Gertsch, Buddha Basnyat, E William Johnson, Janet Onopa, Peter S Holck
Gertsch J H, Basnyat B, Johnson E W, Onopa J, Holck P S.
Randomised, double blind, placebo controlled comparison of ginkgo biloba and acetazolamide for prevention of acute mountain sickness among Himalayan trekkers: the prevention of high altitude illness trial (PHAIT)
BMJ 2004; :bmj;bmj.38043.501690.7Cv1
doi:10.1136/bmj.38043.501690.7C