Current Status of Clinical Cardiology 1990 Jr and Islam in their theological 70174 Stuttgart and Islam in their theological and philosophical propositions it is desirable to have a general theory of fuzzy relational systems with basic connections to (formal) language which enables us to describe relationships in these systems together with the introduction of powerful lipid lowering agents has triggered interest in the primary hyperlipidaemias Quyyumi describes how a greater knowledge of the physiology and pathology of the coronary circulation has led to a better understanding of the causes of angina pectoris and of 'silent ischaemia'