@article{ref1,
title="Pharmacological prevention of acute mountain sickness. Many climbers and trekkers find acetazolamide 500 mg/day to be useful",
journal="British medical journal: BMJ",
year="2001",
author="Hackett, P.",
volume="322",
number="7277",
pages="48; author reply 49-48; author reply 49",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}