@article{article878368dc, title = {Differences within mono and dizygotic twin pairs in spectrotypes and clones of igg2 antibodies to pneumococcal polysaccharide type 1 and c-polysaccharide after vaccination}, author = {Konradsen, H B and Hahn-Zoric, M and Nagao, A T and Hanson, L A}, year = {1994}, journal = {Scandinavian Journal of Immunology} }