4GH is short for 4Gastroenterology & Hepatology. 4GH is a free email service that gives you a monthy overview of the last published abstracts of original articles, trials and reviews in the four leading medical journals in the field of gastroenterology and hepatology, GUT, Gastroenterology, Hepatology and Journal of Hepatology. It's easy to do and knowledge is for everyone, so sign up now.