Letter from Dr. D. B. L. McClelland Scottish National Blood Transfusion Service SNBTS to Dr.J. D. Cash Scottish National Blood Transfusion Service SNBTS cc Dr. Chris Ludlum RIE re: Conclusions on recipients of PFC factor VIII who have developed antibodies to HTLVIII during 1984 reviewed data by Dr. Ludlam Dr. Perry and Dr. Tedder.