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2. A 7-year analysis of haemorrhage in patients on long-term anticoagulant treatment;Forfar;Brit. Heart J.,1979
3. The australasian reference thromboplastin: 1. A study in bleeding patients;Frost;Pathology,1981
4. Heparin: Efficacy and safety after arterial operations;Collins;Arch. Surg.,1981
5. Laboratory monitoring of heparin — effect of reagents and instruments on the activated partial thromboplastin time;Brandt;J. clin. Pathol.,1981