Everest Base Camp Medical Clinic 
Describes daily life at the medical clinic. Provides information on medical conditions affecting high altitude climbers.
http://www.basecampmd.com/Wilderness Medical Society 
Society for physicians, nurses, physician assistants, EMTs and other first responders concerned with the health and safety of individuals in the wilderness.
http://www.wms.org/
Wilderness and Environmental Medicine Journal 
Publishes articles on all aspects of wilderness medicine. Free access to archives.
http://www.wemjournal.org/
Mountain Medicine Society of Nepal 
Non-profit, non-governmental organization of physicians, scientists and allied professionals interested in mountain medicine.
http://www.mmsn.org.np/
International Society for Mountain Medicine 
ISMM website contains information on altitude illness. ISMM also hosts courses through University of Heidelberg.
http://www.ismmed.org/
Royal Flying Doctor Service of Australia 
An aeromedical health service for those who live, work or travel in outback and regional Australia.
http://www.flyingdoctor.net/