MENDEZ-RAYO, Tatiana et al. Utility of anti-C1q and anti-nucleosome antibodies in systemic lupus erythematosus and lupus nephritis in southwestern Colombia. Rev.Colomb.Reumatol. [online]. 2021, vol.28, n.1, pp.4-10.  Epub Sep 19, 2021. ISSN 0121-8123.