title: Haemoglobin H (HbH) disease and severe glutathione peroxidase deficiency: an undescribed association in a mentally retarded child.
mesh_terms: D002675:Child, Preschool; D005979:Glutathione Peroxidase / Q000172:deficiency*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D008297:Male; D010544:Peroxidases / Q000172:deficiency*; D013789:Thalassemia / Q000150:complications*
chemical_list: D010544:Peroxidases; D005979:Glutathione Peroxidase