Antiphospholipid antibodies detected by line immunoassay differentiate among patients with antiphospholipid syndrome, with infections and asymptomatic carriers nork Roggenbuck, D, Borghi, M, Somma, V, Büttner, T, Schierack, P, Hanack, K, Grossi, C, Bodio, C, Macor, P, Von Landenberg, P, Boccellato, F, Mahler, M, Meroni, P