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N of 1 randomized trials for investigating new drugs.

G H Guyatt, R Jaeschke, G. Guyatt, 1990, Controlled clinical trials.

An assessment of clinically useful measures of the consequences of treatment.

D L Sackett, A Laupacis, A. Laupacis, 1988, The New England journal of medicine.

How should results from completed studies influence ongoing clinical trials? The CAFA Study experience.

M Gent, A Laupacis, A. Laupacis, 1991, Annals of internal medicine.