Su F W, Perumalswami P, Grammer L C
Department of Medicine, Division of Allergy-Immunology, Northwestern University Feinberg School of Medicine, 676 N. St. Clair St, Suite 14018, Chicago, IL 60611, USA.
Allergy. 2003 Nov;58(11):1215-6. doi: 10.1046/j.0105-4538.2003.00318.x.