H Ross Anderson, Ruth Ruggles, David P Strachan, Jane B Austin, Michael Burr, David Jeffs et al
Anderson H R, Ruggles R, Strachan D P, Austin J B, Burr M, Jeffs D et al.
Trends in prevalence of symptoms of asthma, hay fever, and eczema in 12-14 year olds in the British Isles, 1995-2002: questionnaire survey
BMJ 2004; :bmj;bmj.38057.583727.47v1
doi:10.1136/bmj.38057.583727.47