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Priority claimed from GB888814438Aexternal-prioritypatent/GB8814438D0/en
Priority claimed from GB888824187Aexternal-prioritypatent/GB8824187D0/en
Application filed by Wellcome FoundfiledCriticalWellcome Found
Priority claimed from EP89306121Aexternal-prioritypatent/EP0347243B1/de
Application grantedgrantedCritical
Publication of ATE84417T1publicationCriticalpatent/ATE84417T1/de