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APA Citation
Lim, S., Jatakanon, A., Gordon, D., Macdonald, C., Chung, K. F., & Barnes, P. J. (2000). comparison of high dose inhaled steroids, low dose inhaled steroids plus low dose theophylline, and low dose inhaled steroids alone in chronic asthma in general practice. Thorax, 55(10), 837–841. http://access.bl.uk/ark:/81055/vdc_100135154476.0x00002e