An international, multicenter study headed by Roberto J. Groszmann, M.D., F.R.C.P., professor of medicine at Yale and chief of the digestive disease section at the VA Connecticut Healthcare System, will be funded by a $2.5 million grant from the National Institute of Diabetes and Digestive and Kidney Diseases. The five-year grant will support continuation of a study of the prevention of esophageal varices by beta-adrenergic blockers. Co-investigator for the project is Guadalupe Garcia-Tsao, M.D., assistant professor of medicine (digestive diseases). Robert Makuch, Ph.D., associate professor of public health (biostatistics) and a Cancer Center member, is in charge of statistical analysis for the study.