INVITED REVIEWS. The Receipt and Dispatch of Chemical Messengers by Endothelial Cells (R. Bottling & J. Vane). ORIGINAL CONTRIBUTIONS ASSAY TECHNIQUES. Quantification of Prostanoids in Biological Fluids by High Resolution Gas Chromatography--Triple Stage Quadrupole Mass Spectrometry (GS/MS/MS) (H. Schweer et al.).

MYOCARDIAL ISCHEMIA AND INFARCTION. Effects of Defibrotide on Infant Size and Regional Myocardial Blood Flow on the Ischaemic Reperfused Rabbit Heart (C. Thiemermann et al.). CEREBRAL AND SPINAL CORD ISCHEMIA. Receptor--Mediated Changes in Vessel Tone of Fresh and Aged Bovine Cerebral Arteries In Vitro (R. Verheggen et al.).

CIRCULATORY SHOCK. Stimulation of Arachidonate Metabolism by Endotoxic and the Terminal Complement Complex C5b-8 (N. Suttorp et al.). PULMONARY FUNCTION. The Role of Lipid Mediators in Hypoxic Pulmonary Vasoconstriction in Newborns (L. Bradley et al.).

RENAL FUNCTION. Partial Protection Against Acute Renal Failure by Efamol (N. Papanikolaou et al.). PLATELETS AND THROMBOSIS. Photoaffinity Labelling of the Human Platelet Thromboxane A 2 / Prostaglandin H 2 (TXA 2 / PGH 2 ) Receptor (D. Mais & P. Halushka).

ENDOTHELIUM. VASCULAR SMOOTH MUSCLE AND GENERAL CIRCULATION. EICOSANOIDS AND PAF. EICOSANOIDS AND DIETARY FATTY ACIDS. WHITE CELL FUNCTION. NEW COMPOUNDS.