Recurrent sinopulmonary infection and impaired antibody response to bacterial capsular polysaccharide antigen in children with selective IgG-subclass deficiency.
N Engl J Med. 1985 Nov 14;313(20):1247-51. doi: 10.1056/NEJM198511143132002.
N Engl J Med. 1985.
PMID: 3877240