Haemostatic defects and their response to specific antivenom therapy in severly envenomated Russell's viper bite victims: Than Than,1Khin, Ei Han,1R. A. Hutton,2Soe Soe,1Tin Nu Swe,2Myint Lwin,3 R. E. Phillips4 and D. A. Warrell4 (1Pathology Research Division and 3Clinical Research Unit for Snake Bite, Department of Medical Research, Rangoon, Burma, 2Department of Haemotology, Royal Free Hospital, London, U.K., and 4Nuffield Department of Clinical Medicine, Oxford University, Oxford, U.K.)