@article{article4007b53a,
title   = {Male gender results in more severe lupus nephritis},
author = {Carvalho, Jozélio Freire de and Nascimento, Ana Patrícia do and Testagrossa, Leonardo A. and Barros, Rui Toledo and Bonfá, Eloisa},
year = {2010},
doi = {10.1007/s00296-009-1151-9},
journal   = {Rheumatology International}
}