Report of the independent panel considering the retraction of two articles in The BMJ.

Iona Heath panel chair and past president, Royal College of General Practitioners, Stephen Evans professor of pharmacoepidemiology, London School of Hygiene and Tropical Medicine, Curt Furberg professor emeritus of public health sciences, Wake Forest University School of Medicine, Julia Hippisley-Cox professor of epidemiology and general practice, University of Nottingham, Harlan Krumholz Harold H Hines Jr professor of medicine (cardiology) and professor of investigative medicine and of public health, Yale School of Medicine, Cynthia Mulrow senior deputy editor, Annals of Internal Medicine, Paul Wicks vice president of innovation, Patients Like Me