![Challenges of harmonising data from UK national health surveys: a case study of attempts to estimate the UK prevalence of asthma]()
Challenges of harmonising data from UK national health surveys: a case study of attempts to estimate the UK prevalence of asthmaNwaru, B. I.; Mukherjee, M.; Gupta, R. P.; Farr, A.; Heaven, M.; Stoddart, A.; Bandyopadhyay, A.; Fitzsimmons, D.; Shields, M.; Phillips, C.; Chamberlain, G.; Fischbacher, C.; Dibben, C.; Aftab, C.; Simpson, C. R.; Lyons, R.; Strachan, D.; Davies, G. A.; McKinstry, B.; Sheikh, A. · Journal of the Royal Society of Medicine · 2015