TY - RPRT TI - [Decrease of beta1E globulin (C4) concentration in serum in IgG plasmacytoma and Waldenström's macroglobulinemia]. AU - W Augener AU - G Cohnen AU - E König AU - G Brittinger PY - 1973 UR - https://pubmed.ncbi.nlm.nih.gov/4133404/ ID - 4133404 ER -