BMC Journal

https://www.ncbi.nlm.nih.gov/pmc/journals/216/

https://www.ncbi.nlm.nih.gov/pmc/issues/247277/

International Journal of medical sciences

https://www.ncbi.nlm.nih.gov/pmc/journals/257/

British Medical Journal

https://www.ncbi.nlm.nih.gov/pmc/journals/3/

Clinical Infectious disease

http://cid.oxfordjournals.org/content/by/year

New England Journal of Medicines

http://www.nejm.org/

Cancer Journal for Clinicians

http://onlinelibrary.wiley.com/journal/10.3322/(ISSN)1542-4863

Cancers

http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1097-0142