Litigation re Statement of Claim, by Caroline Harry Thomas, Messrs. J. Tickle & Co, Solicitors for, North West Thames Regional Health Authority (NWT), re HIV Haemophilia litigation, re-amended main Statement of Claim at the High Court of Justice, 12/04/1990, matters addressed included, descriptive use of words, cause of action, denial of responsibility for the manufacture of factor VII / IX, expert evidence, magnitude of the risk of hepatitis / commercial concentrate, self sufficiency, heat treated blood products, AIDS, screening of donors and testing for HIV