Minutes of the sixth meeting of the Central Committee for Research and Development in Blood Transfusion on 9 July 1985 at The Crest. Re genetic engineering, anti-HTLV III testing in the NBTS, use of heat treated Factor VIII and Factor IX. Chairman Dr H. H. Gunson. Attendees Professor A. Bloom, Dr I. A. Fraser, Dr K. I. Gibson, Dr R. S. Lane, Dr C. Rizza, Dr D. P. Thomas