publication historyDOI: 10.1046/j.1365-2222.2002.01406.xView/save citationCited by: 12 articlesRefresh citation countCiting literature C. S. Court, Department of Public Health Sciences, St Georges Hospital Medical School, Cranmer Terrace, London SW17 0RE, UK. E-mail: ccourt@sghms.ac.ukSummaryBackground Previous studies have shown that IgE levels vary according to factors such as age, gender and s