年50期

Eurosurveillance《欧洲监测》（一年50期）. Eurosurveillance is a European peer-reviewed scientific journal devoted to the epidemiology, surveillance, prevention and control of communicable diseases, with a focus on such topics that are of relevance to Europe. It is a weekly online journal, with 50 issues per year published on Thursdays, and features short rapid communications, longer in-depth research articles, surveillance and outbreak reports, reviews and perspective papers, as well as short news items.

Journal of the American College of Cardiology《美国心脏病学会杂志》（一年50期）. The Journal of the American College of Cardiology (JACC) publishes peerreviewed articles highlighting all aspects of cardiovascular disease, including original investigations, experimental investigations with clear clinical relevance, state-of-the-art papers, and viewpoints.

Canadian Medical Association Journal《加拿大医学会杂志》（一年50期或51期）. CMAJ (Canadian Medical Association Journal) is a peer-reviewed general medical journal that publishes original clinical research, commentaries, analyses, and reviews of clinical topics, health news, clinical practice updates and thought-provoking editorials.

Oncogene《癌基因》（一年50期）. Oncogene aims to make substantial advances in our knowledge of processes that contribute to cancer by publishing outstanding research. We propagate work that challenges standard conjecture and builds on previous studies, in particular those that lead to establishing new paradigms in the etio-pathogenesis, diagnosis, treatment, or prevention of cancers, and in processes that drive metastatic spread, and provide important insights into cancer biology beyond what has been revealed thus far.

Nanotechnology《纳米技术》（一年50期）. Nanotechnology aims to publish original research at the forefront of nanoscale science and technology across all disciplines. The journal’s scope encompasses the study of both fundamental phenomena at the nanoscale and applications of these phenomena. ‘Nanotechnology’ is taken to include the ability to individually address, control, and modify structures, materials and devices with nanometre precision, and the synthesis of such structures into systems of micro- and macroscopic dimensions such as MEMS based devices.