1. Asthma Prevalence, Health Care Use, and Mortality,2001
2. Global Strategy for Asthma Management and Prevention. NHLBI/WHO Workshop Report March 1993. National Heart, Lung and Blood Institute, National Institute of Health, Publication No. 95-3659; 1995. p. 6.
3. Bronchial reactivity to inhaled histamine: a method and clinical survey;Cockcroft;Clin. Allergy,1977
4. Bronchial responsiveness to histamine or methacholine in asthma: measurement and clinical significance;Hargreave;J. Allergy Clin. Immunol.,1981
5. Bronchial reactivity to exercise in bronchial asthma;Jager;Allergol. Immunopathol. (Madr.),1975