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Priority claimed from US07/149,726external-prioritypatent/US4978684A/en
Application filed by Univ RockefellerfiledCriticalUniv Rockefeller
Priority claimed from EP19890101577external-prioritypatent/EP0327919B1/en
Application grantedgrantedCritical
Publication of ATE94379T1publicationCriticalpatent/ATE94379T1/en