Of lamp posts, keys, and fabled drunkards: A perspectival tale of 4 guidelines.
Trisha GreenhalghPublished in: Journal of evaluation in clinical practice (2018)
As Sir John Grimley Evans' warned, we should avoid using evidence-based guidelines in the manner of the fabled drunkard who searched under the lamp post for his key because that was where the light was, even though he knew he had lost his key somewhere else.