@article{article336a9b3c, title = {High-titer antichromatin antibody is associated with proliferative class IV of lupus nephritis}, author = {Carvalho, J. F. and Viana, V. S. T. and Borba, E. F. and Nascimento, A. P. do and Leon, E. P. and Testagrossa, L. A. and Barros, R. T. and Bonfá, E.}, year = {2008}, doi = {10.1007/s10067-008-0939-4}, journal = {Clinical rheumatology} }