The Journal of the American Medical Association publishes peer-reviewed articles on all aspects of public health, health systems and medicine. Its stated aim is to promote the science and art of medicine and the betterment of public health. The journal provides a mix of clinical and non-clinical coverage. Some US bias but includes articles relevant to developing countries.
Website includes an archive of past issues. Journal is suscription-only but some individual articles are available free online. One time access is permitted in other cases.