Serum fibrin(ogen) degradation products in the diagnosis of deep vein thrombosis and pulmonary embolism after hip surgery - Cooke, E. D; Bowcock, S. A; Pilcher, M. F; Ibbotson, R. M; Gordon, Y. B; Sola, C. M; Chard, T; Ainsworth, M. E (Lancet, 1975)