Science Tribune, March 1999, Eberhard J. Wormer, Germany A taste for salt in the history of medicine.
http://www.tribunes.com/tribune/sel/worm.htm
UK European Respiratory Journal 1997- The effect of inhaling a dry powder of sodium chloride on the airways of asthmatic subjects.
http://www.erj.ersjournals.com/cgi/reprint/10/11/2465.pdf
E698 Effect of dry sodium chloride aerosol on the respiratory tract oftobacco smokers , A. V. Chervinskaya (St. Petersburg, Russian Federation).
https://www.ersnetsecure.org/public/prg_congres.abstract?ww_i_presentation=27126
Patient's testimonials about speleotherapy.
http://www.halotherapy.com/test.htm
Scintia Press: Halotherapy: Aerosol Salt Treatment of Respiratory Diseases.
http://www.scientiapress.com/findings/ht.htm
U.S. Journal of Aerosol Medicine Volume 8, Number 3, 1995- SALT THERAPY (HALOTHERAPY) FOR TREATMENT OF RESPIRATORY DISEASES.
http://www.halotherapy.com/results.htm
