JPEN is the premier scientific journal of nutrition and metabolic support. It publishes original, peer-reviewed studies that define the cutting edge of basic and clinical research in the field. It explores the science of optimizing the care of patients receiving enteral or IV therapies. Also included: reviews, techniques, brief reports, case reports, and abstracts. JPEN is indexed by the following: Index Medicus, BIOSIS, Current Contents, Excerpta Medica, Reference Update, Research Alert, SciSearch, Silver Platter, and UMI.