title: Keystone symposium on 'Mast cells, Basophils and IgE: host defense and disease'.
authors.affiliation: Dalhousie University, Department of Microbiology and Immunology, Halifax, Nova Scotia, Canada. smburke@dal.ca
authors.forename: Sarah M
authors.initials: SM
authors.lastname: Burke
authors.forename: Jean S
authors.initials: JS
authors.lastname: Marshall