RT Journal Article SR Electronic T1 Evaluating and managing hypogammaglobulinemia JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 133 OP 144 VO 73 IS 2 A1 Mark E. Rose A1 David M. Lang YR 2006 UL http://www.ccjm.org/content/73/2/133.abstract AB If a patient has frequent or recurrent bronchopulmonary or sinus infections, they may be due to low levels of immunoglobulins. This article describes common primary (idiopathic) and secondary forms of hypogammaglobulinemia and how to evaluate and manage them.