Confounding by Indication in Clinical Research
2016 Nov 1;316(17):1818-1819.
Demetrios N Kyriacou
Roger J Lewis
Departments of Emergency Medicine and Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois2Senior Editor, JAMA.
Department of Emergency Medicine, Harbor-UCLA Medical Center and David Geffen School of Medicine at UCLA, Los Angeles, California.
No abstract available
Confounding Factors, Epidemiologic*