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Priority claimed from US05/550,273external-prioritypatent/US3972930A/en
Priority claimed from US05/615,593external-prioritypatent/US3982996A/en
Priority claimed from GB4973/76Aexternal-prioritypatent/GB1529376A/en
Application filed by Sterling Drug IncfiledCriticalSterling Drug Inc
Publication of MX3968EpublicationCriticalpatent/MX3968E/en