The letter relates to the paper by Ones et al. published in the December 2006 issue of Allergy.
Asher
Innes
I
D000293:Adolescent; D001249:Asthma / Q000175:diagnosis* / Q000453:epidemiology*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D011795:Surveys and Questionnaires