Antiphospholipid antibodies (aPL) increase the potential monocyte procoagulant activity in patients with systemic lupus erythematosus - Martini, F; Farsi, A; Gori, AM; Boddi, M; Fedi, S; Domeneghetti, MP; Passaleva, A; Prisco, D; Abbate, R (Lupus, 1996)