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Trasidrex ocsprenolol hudroclorid hir-effaith, a suclopenthiasid BP rheola bwysedd gwaed heb amharu ar ansawddbvwvd. Ciba NOD MARCHNATA Gellir cael mwy o fanylion gan y Cwmni; Labordai CIBA. Horsham. Gorllewm Sussex.