@misc{indiciaef49c7abada6f, title = {Studies on the polymorphisms of Pi, Bf, Gm serum levels of immunoglobulins and complement components in patients with Down's syndrome and other diseases.}, author = {L Hirth and D P Agarwal and H G Benkmann and H W Goedde and P Grünwald}, year = {1978}, url = {https://pubmed.ncbi.nlm.nih.gov/158264/}, note = {Source identifier: 158264} }