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. 2019 Apr 23;2019(4):CD013315. doi: 10.1002/14651858.CD013315

Hefti 2014.

Methods Double‐blind, placebo‐controlled trial
Participants 29 participants were assigned into a treatment group (14) receiving 800 IU vitamin E, 1000 mg vitamin C, 200,000 IU vitamin A, and 600 mg N‐acetylcystein daily, starting 2 months prior to the expedition, and a placebo group (15)
Interventions Vitamin group and placebo
Outcomes AMS scores; levels of endothelial micro particles
Notes Full text not available (January 2016)