A randomised, double-blind, placebo-controlled trial of dermatan sulfate for prevention of deep vein thrombosis in hip fracture - Agnelli, G; Cosmi, B; Di Filippo, P; Ranucci, V; Veschi, F; Longetti, M; Régna, C; Barzi, F; Gianese, F; Lupattelli, L; Rinonapoli, E; Nenci, G (Thromb Haemost, 1992)