1
by Bulpitt, Christopher J.
Published 1983
Springer US
Table of Contents: ...1. Introduction -- 2. The history of controlled trials -- 3. Ethical considerations -- 4...

2
by Bulpitt, Christopher J.
Published 1996
Springer US
Table of Contents: ...1. Introduction -- 2. The history of controlled trials -- 3. Ethical considerations -- 4...