Van den Berg, SylviaVan Rooyen, Cathy2021-04-012021-04-012020-06Van Den Berg, S. & Van Rooyen, C. 2020, 'Dr Spur’s mystery case of an isolated IgA deficiency', Current Allergy and Clinical Immunology, 33, no. 2, pp. 120-121.1609-360710.10520/EJC-206010948chttp://hdl.handle.net/2263/79163No abstract available.en© 2020, Allergy Society of South Africa. All rights reserved.Viral infectionsOtitis mediaSinusitisAllergyIgA deficiencyArticle