REFERENCES
- Levin M. Asthma prevalence in Cape Town: urban-rural gradients, class, culture and language. S A Respir J 2006; 12(1): 14–18.
- Moore WC, Peters S. Severe asthma: An overview. J Allergy Clin Immunol 2006; 117: 487–94.
- Wenzel S, Szefler SJ. Managing severe asthma. J Allergy Clin Immunol 2006; 117: 508–11.
- Motala C, Kling S, Gie RP et al. Guideline for the Management of Chronic Asthma in Children—2000 Update. S Afr Med J 2000; 90(5): 524–539.
- Lalloo UG, Bateman ED, Feldman C et al. Guideline for the Management of Chronic Asthma in Adults—2000 Update. S Afr Med J 2000; 90(5): 540–52.
- Global Initiative for Asthma. Global Strategy for Asthma Management and Prevention 2006. www.ginasthma.org. Accessed 16 November 2006.
- British Thoracic Society and Scottish Intercollegiate Guidelines Network. British Guideline on the Management of Asthma Updated November 2005. www.brit-thoracic.org.uk/ Guidelines. Accessed 28 November 2006.
- Zar HJ, Brown G, Donson H et al. Homemade spacers for bronchodilator therapy in children with acute asthma: A randomised trial. Lancet 1999; 354: 979–982.
- Leversha AM, Campanella SG, Aickin RP, et al. Costs and effectiveness of spacer versus nebulizer in young children with moderate and severe acute asthma. J Pediatr 2000; 136: 497–502.
- Becker JM, Arora A, Scarfone RJ, et al. Oral versus intravenous corticosteroids in children hospitalised with asthma. J Allergy Clin Immunol 1999; 103: 586–590.
- Plotnick LH, Ducharme FM. Combined inhaled anticholinergic agents and inhaled beta-2 agonists for initial treatment of acute asthma in children (Cochrane Review). In The Cochrane Library Issue 3 2001.
- Ciarallo L, Sauer AH, Shannon MW. Intravenous magnesium therapy for moderate to severe pediatric asthma: results of a randomised, placebo-controlled trial. J Pediatr 1996; 129: 809–814.
- Browne GJ, Penna AS, Phung X, Soo M. Randomised trial of intravenous salbutamol in early management of acute severe asthma in children. Lancet 1997; 349: 301–305.