IgA, IgM, and partial deletion of chromosome 18.
D000361:Agammaglobulinemia / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D002869:Chromosome Aberrations; D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D007223:Infant; D008297:Male; D005719:gamma-Globulins / Q000032:analysis*
D007075:Immunoglobulin M; D005719:gamma-Globulins