title: Letter: Myasthenia gravid, hypothyroidism, and abnormality of lymphocyte function.
mesh_terms: D001323:Autoantibodies / Q000302:isolation & purification; D001327:Autoimmune Diseases; D006801:Humans; D007037:Hypothyroidism / Q000276:immunology*; D007072:Immunoglobulin D / Q000032:analysis; D007223:Infant; D009130:Muscle, Smooth / Q000276:immunology; D009157:Myasthenia Gravis / Q000150:complications / Q000276:immunology*
chemical_list: D001323:Autoantibodies; D007072:Immunoglobulin D