Usefulness of testing for hereditary alpha tryptasemia in symptomatic patients with elevated tryptase

Affiliations

• ¹ Division of Clinical Immunology and Allergy, Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada.
• ² Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
• ³ Division of Clinical Immunology and Allergy, Department of Medicine, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada. Electronic address: [email protected].