Currie GP, Srivastava P, Dempsey OJ, Lee DK. Therapeutic modula-
tion of allergic airways disease with leukotriene receptor antago-
nists.QJM: Monthly Journal of the Association of Physicians2005; 98 :
171–82.
O’Byrne PM, Parameswaran K. Pharmacological management of mild
or moderate persistent asthma. Lancet2006; 368 : 794–803.
Seddon P, Bara A, Ducharme FM, Lasserson TJ. Oral xanthines as
maintenance treatment for asthma in children. Cochrane Database of
Systematic Reviews2006; (1):CD002885.
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