title: Letter: D-penicillamine and macroglobulins.
mesh_terms: D006801:Humans; D007136:Immunoglobulins / Q000096:biosynthesis; D008259:Macroglobulins; D010396:Penicillamine / Q000494:pharmacology*
chemical_list: D007136:Immunoglobulins; D008259:Macroglobulins; D010396:Penicillamine