1. Tophi as first clinical sign of gout.;Thissen;Int J Dermatol,2008
2. Whitish bullae on the fingers: what is the diagnosis? Tophaceous gout.;Nogueira;Dermatol Online J,2009
3. Photo quiz. Intradermal tophaceous.;Kling;Cutis,2001
4. Skin and nail changes in the arthritic foot.;Gilkes;Baillieres Clin Rheumatol,1987
5. Suspicion of systemic diseases through nails abnormalities.;Silva;Rev Med Chil,2006