title: Letter: Aetiology of cellular immune deficiency in acrodermatitis enteropathica.
mesh_terms: D000169:Acrodermatitis / Q000276:immunology*; D002648:Child; D005767:Gastrointestinal Diseases / Q000276:immunology*; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000209:etiology*; D008213:Lymphocyte Activation; D008231:Lymphopenia / Q000209:etiology; D013601:T-Lymphocytes / Q000276:immunology; D015032:Zinc / Q000172:deficiency
chemical_list: D015032:Zinc