Using natural experimental studies to guide public health action: turning the evidence-based medicine paradigm on its head
David Ogilvie, Jean Adams, Adrian Bauman, Edward W. Gregg, Jenna Panter, Karen R. Siegel, Nicholas J. Wareham, Martin White
J Epidemiol Community Health Feb 2020, 74 (2) 203-208; DOI: 10.1136/jech-2019-213085