Cite
HARVARD Citation
Travers, J. et al. (2007). External validity of randomised controlled trials in asthma: to whom do the results of the trials apply?. Thorax. 62 (3), pp. 219-223. [Online].
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Travers, J. et al. (2007). External validity of randomised controlled trials in asthma: to whom do the results of the trials apply?. Thorax. 62 (3), pp. 219-223. [Online].