Pierre Ernst, Walter O Spitzer, Samy Suissa, Donald Cockcroft, Brian Habbick, Ralph I Horwitz, Jean-Francois Boivin, Mary McNutt, A Sonia Buist,
Risk of Fatal and Near-Fatal Asthma in Relation to Inhaled Corticosteroid Use JAMA: The Journal of the American Medical Association. ,vol. 268, pp. 3462- 3464 ,(1992) ,
10.1001/JAMA.1992.03490240070039