[Absence of antibodies of acquired immunodeficiency syndrome virus in patients with collagenosis].
D000914:Antibodies, Viral / Q000032:analysis*; D003095:Collagen Diseases / Q000276:immunology*; D006678:HIV / Q000276:immunology*; D006801:Humans
D000914:Antibodies, Viral
Ausencia de anticuerpos frente al virus del síndrome de inmunodeficiencia adquirida en pacientes con colagenosis.