Diagnostic value of compression ultrasonography and fibrinogen-related parameters for the detection of postoperative deep vein thrombosis following elective hip replacement :a pilot study - Crippa, L; Ravasi, F; D’Angelo, S V; Varagona, R; Milani, E; Safa, O; Tessari, L; D’Angelo, A (Thromb Haemost, 1995)