BMJ, BMJ (Clinical research ed.), BMJ (Online), BMJ - British Medical Journal - Clinical Research Edition, BMJ. British medical journal, BMJ. British Medical Journal (International Ed.), Br Med J, BR.MED.J., BRIT MED J, BRIT.MED.J., british Medical Journal, british medical journal (clinical research ed.), British medical journal., Medline Abbreviated Title: BMJ, Variant Title: B M J International Edition