title: Letter: HL-A antigens in myasthenia gravis.
mesh_terms: D005260:Female; D006649:Histocompatibility Antigens / Q000302:isolation & purification*; D006801:Humans; D009157:Myasthenia Gravis / Q000235:genetics / Q000276:immunology*
chemical_list: D006649:Histocompatibility Antigens