Bulpitt, C. J. (1983). Randomised controlled clinical trials. Martinus Nijhoff Publishers ; Distributors for the U.S. and Canada, Kluwer Boston.
Cita Chicago (17th ed.)Bulpitt, Christopher J. Randomised Controlled Clinical Trials. The Hague : Hingham, MA, USA: Martinus Nijhoff Publishers ; Distributors for the U.S. and Canada, Kluwer Boston, 1983.
Cita MLA (8th ed.)Bulpitt, Christopher J. Randomised Controlled Clinical Trials. Martinus Nijhoff Publishers ; Distributors for the U.S. and Canada, Kluwer Boston, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.