title: Environmental factors may modulate antiphospholipid antibody production in family members of patients with systemic lupus erythematosus.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000097:blood; D017152:Antibodies, Antiphospholipid / Q000276:immunology*; D000917:Antibody Formation; D002648:Child; D002675:Child, Preschool; D004777:Environment; D005192:Family Health; D005260:Female; D020022:Genetic Predisposition to Disease / Q000097:blood / Q000276:immunology; D006023:Glycoproteins / Q000276:immunology; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000097:blood / Q000235:genetics* / Q000276:immunology; D008297:Male; D053482:beta 2-Glycoprotein I