Dataset: ginkgoams.dat Source: J.H. Gertsch, B. Basnyat, E.W. Johnson, J. Onopa, and P.S. Holck (2005). "Randomized, 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", BMJ, 328: pp 797- Description: See Title Variables/Columns Trt Group 8 /* 1=Placebo, 2=acet only, 3=gb only, 4=acet+gb */ Acet Indicator 16 /* 1=Present, 0=ablsent *? ginkgo indicator 24 /* " " */ Condition Outcome 32 /* " " */ Count for AMS 38-40 Count for headache 46-48