CesarRamos-Remus, Anthony SRussell, AmparoGomez-Vargas, AbelHernandez-Chavez, Walter PMaksymowych, Jorge IGamez-Nava, LauraGonzalez-Lopez, AliciaGarcía-Hernández, EstherMeoño-Morales, RubenBurgos-Vargas, Maria ESuarez-Almazor
Annals of the Rheumatic Diseases Jul 1998, 57 (7) 429-433; DOI: 10.1136/ard.57.7.429