Colombian-Canadian physician, philosopher, innovator, writer and humanist

Randomised controlled trials : a user's guide / Alejandro R. Jadad.

Randomized controlled trials : questions, answers, and musings / Alejandro R. Jadad, Murray W. Enkin.

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Alejandro Jadad

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Randomised controlled trials : a user's guide / Alejandro R. Jadad.

Randomized controlled trials : questions, answers, and musings / Alejandro R. Jadad, Murray W. Enkin.