Ring chromosome 18 and gamma-M-globulin abnormality.
D001797:Blood Protein Electrophoresis; D002648:Child; D002869:Chromosome Aberrations; D002902:Chromosomes, Human, 16-18; D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis*; D008607:Intellectual Disability / Q000235:genetics; D008875:Middle Aged
D007075:Immunoglobulin M