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Glasziou P, Chalmers I, Rawlins M, McCulloch P (2007). When are randomised trials unnecessary? Picking signal from noise. BMJ 334: 349-351.
The editors are grateful to:
BMJ for allowing the James Lind Library to link to this and other BMJ articles of historical relevance (email to Iain Chalmers from Fiona Godlee, 05 May 2015).