References
- König P. Hidden asthma in childhood. Am JDis Child 1981; 135: 1053
- Humphries T. Demographic and clinical characteristics of childhood asthma. J Allergy Clin Immunol 1985; 75: 197, (suppl)
- König P. Exercise challenge: Indications and techniques. Allergy Proc 1989; 10: 345
- König P. Cromolyn sodium: Clinical applications and known mechanisms of action. Hosp Formul 1984; 79: 711
- Bernstein IL. Cromolyn sodium in the treatment of asthma: Coming of age in the United States. J Allergy Clin Immunol 1985; 76: 381
- Glauser FL. Variant asthma. Ann Allergy 1972; 30: 457
- Pratter MR. Difference in degree of airway hyperreactivity in wheezing and non-wheezing asthmatics. Am Rev Respir Dis 1979; 119: 11