Ferritin in the antiphospholipid syndrome and its catastrophic variant (cAPS).

Agmon Levin, N; Rosário, C; Katz, Bs; Zandman Goddard, G; Meroni, P; Cervera, R; Stojanovich, L; Blank, M; Pierangeli, S; Praprotnik, S; Meis, Ed; Seguro, Lp; Ruffatti, A; Pengo, V; Tincani, Angela; Doria, A; Shoenfeld, Y.