[Primary combined immune defect in a pair of siblings].
D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000235:genetics* / Q000473:pathology; D007223:Infant; D008297:Male; D013950:Thymus Gland / Q000002:abnormalities / Q000276:immunology* / Q000473:pathology
Primaer kombinált immundefektus testvérpáron.