The New England Journal of Medicine (NEJM) is a weekly general medical journal that publishes new medical research findings, review articles, and editorial opinion on a wide variety of topics of importance to biomedical science and clinical practice. Material is published with an emphasis on internal medicine and specialty areas including allergy and immunology, cardiology, endocrinology, gastroenterology, hematology, kidney disease, oncology, pulmonary disease, rheumatology, HIV, and infectious diseases. The New England Journal of Medicine is owned, published, and copyrighted by the Massachusetts Medical Society.