1. Selective IgG4 deficiency and recurrent infections of the respiratory tract;Beck;Am Rev Respir Dis,1981
2. Deficiency of IgG4: a disorder associated with frequent infections and bronchiectasis that may be familial;Heiner;Clin Rev Allergy,1983
3. Significance of immunoglobulin G subclasses;Heiner;Am J Med,1984
4. IgG4 immunodeficiency;Heiner;New England Regional Allergy Proceedings,1988
5. IgE antibodies in young children with possible allergic symptoms;Lewiston;J Pediatr,1987