The International Symposium on Heparin, held May 13-15, 1974, in St. Louis, Missouri, as a part of the dedication of the Shoenberg Pavilion of the Jewish Hospital of St. Louis, was conceived as a forum to bring together physicians and scientists with a basic in- terest in the structure, function and clinical usefulness of heparin. Few naturally occurring substances have commanded the breadth of interest among members of the biomedical research community as this compound has. Aspects of its covalent and three-dimensional struc- ture, its biosynthesis, its interaction with and effect on physio-...

The NATO Advanced Study Institute entitled "Surface Membrane Receptors: Interface Between Cells and Environment" was held in Bellagio, Italy September 13-21, 1975. This meeting was an attempt to bring together in an international and interdisci- plinary forum scientists who are studying recognitive phenomona which take place at the surface membrane of cells. While an attempt was made to restrict the subject areas covered at the meeting to those experimental systems which have been biochemi- cally characterized to some extent, it will also be noted that some contributions to this volume...