title: Classification of patients with antiphospholipid syndrome into risk categories: an evolving process.
authors.forename: Vittorio
authors.initials: V
authors.lastname: Pengo
mesh_terms: D017153:Antibodies, Anticardiolipin / Q000097:blood; D016736:Antiphospholipid Syndrome / Q000145:classification* / Q000150:complications* / Q000276:immunology; D001323:Autoantibodies / Q000097:blood; D005260:Female; D006801:Humans; D016682:Lupus Coagulation Inhibitor / Q000276:immunology; D016017:Odds Ratio; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D018570:Risk Assessment; D012307:Risk Factors; D012720:Severity of Illness Index; D013927:Thrombosis / Q000209:etiology*; D053482:beta 2-Glycoprotein I / Q000276:immunology
chemical_list: D017153:Antibodies, Anticardiolipin; D001323:Autoantibodies; D016682:Lupus Coagulation Inhibitor; D053482:beta 2-Glycoprotein I