1. Expert Committee on Biological Standardisation;Series.,1983
2. Effect of automation on the prothrombin time test in NEQAS surveys;Poller, L.; Thomson, J.M.; Taberner, D.A.;J Clin Pathol,1989
3. Automation and prothrombin time: a United Kingdom field study of two widely used coagulometers;Thomson, J.M.; Taberner, D.A.; Poller, L.;J Clin Pathol,1990
4. The dependence of the International Sensitivity Index on the coagulometer used to perform the prothrombin time;Ray, M.J.; Smith, I.R.;Thromb Haemostas,1990
5. The effect ofsome instruments for prothrombin time testing on the International Sensitivity Index (ISI) of two rabbit tissue thromboplastin reagents;Poggio, M.; van den Besselaar, A.M.H.P.; van der Velde, E.A.; Bertina, R.M.;Thromb Haemostas,1988