Journal of Clinical Oncology. Official journal of the American Society of Clinical Oncologists. http://www.jcojournal.org/
Journal of the National Cancer Institute. http://cancernet.nci.nih.gov/jnci/jnci_issues.html
The Cancer Journal is a multidisciplinary journal in epidemiological, biological and clinical cancer research. For the last ten years, The Cancer Journal has promoted the emergence of original ideas in an overcrowded field that has witnessed few genuine medical advances. The Journal is well known for the excellence of its short reviews, for the originality of its editorials (full text on the Web) and for its eclectism. From France but in English. http://www.infobiogen.fr/agora/journals/
The Journal of the American Medical Association. http://www.ama-assn.org/public/journals/jama/jamahome.htm
The Canadian Medical Association Journal. http://www.cma.ca/cmaj/