title: Regional ileitis, leukaemia, and humoral immune deficiency in a family.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D003424:Crohn Disease / Q000235:genetics*; D005260:Female; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis; D007153:Immunologic Deficiency Syndromes / Q000235:genetics*; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000235:genetics*; D008213:Lymphocyte Activation; D008297:Male
chemical_list: D007136:Immunoglobulins