P Della Valle, L Crippa, AM Garlando, E Pattarini, O Safa, S Vigano D’Angelo and A D’Angelo (1999) “Interference of lupus anticoagulants in prothrombin time assays: implications for selection of adequate methods to optimize the management of thrombosis in the antiphospholipid-antibody syndrome”, Haematologica. Pavia, Italy, 84(12), pp. 1065-1074. doi: 10.3324/%x.