Clinical trial involving one or more test treatments, at least one control treatment, specified outcome measures for evaluating the studied intervention, and a bias-free method for assigning patients to the test treatment

Control and the therapeutic trial : rhetoric and experimentation in Britain, 1918-48 / Martin Edwards.

Control and the therapeutic trial, 1918-1948 / by Martin Varnam Edwards.

The evolution of the controlled trial / by Sir Richard Doll.

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Controlled Clinical Trials as Topic

Works from the collections

Control and the therapeutic trial : rhetoric and experimentation in Britain, 1918-48 / Martin Edwards.

Control and the therapeutic trial, 1918-1948 / by Martin Varnam Edwards.

The evolution of the controlled trial / by Sir Richard Doll.