IPSN0000331_001 - Letter from David R Williams to Dr A Aronstam - 30 Jul 1980

Letter from Mr. David R. Williams, Director to Dr. A. Aronstam, Lord Mayor Treloar Hospital, rethe relaxation of restrictions on of Porcine Factor VIII - HyateC and advising of progress of Speywood on Human VIIIC and giving Humanate costings