BMJ Open - A leading multidisciplinary medical journal
https://bmjopen.bmj.com12.12.2015 · BMJ Open. is an online, open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas. Impact Factor: 2.692. Citescore: 3.7. All metrics >>. The journal publishes all research study types, from protocols through phase I trials to meta-analyses, including small, specialist studies, and negative studies ...