Doll R: Controlled trials: the 1948 watershed. .BMJ 317::1217. ,1998. .
Hrobjartsson A, Gotzsche P, Gluud C: The controlled clinical trial turns 100 years: Fibiger’s trial of serum treatment of diptheria. .BMJ 317::1243. ,1998. .
D’Arcy Hart P: A change in scientific approach: from alternation to randomised allocation in clinical trials in the 1940s. .BMJ 319::572. ,1999. .
Pocock SJ: Clinical Trials: A Practical Approach. John Wiley, Chichester, UK, 1983..
Meinert CL: Clinical Trials: Design, Conduct, and Analysis. Oxford University Press, New York, 1986..
DerSimonian R, Charette LJ, McPeek B, et al: Reporting on methods in clinical trials. .N Engl J Med 306::1332. ,1982. .
Mosteller F, Gilbert JP, McPeek B: Reporting standards and research strategies for controlled trials: agenda for the editor. .Control Clin Trials 1::37. ,1980. .
Begg C, Cho M, Eastwood S, et al: Improving the quality of reporting of randomized controlled trials: the CONSORT statement. .JAMA 276::637. ,1996. .
Begg C, Cho M, Eastwood S, et al: Improving the quality of reporting of randomized controlled trials: the CONSORT statement. Available at: http://www.consort-statement.org/..
Altman DG: Better reporting of randomised controlled trials: the CONSORT statement. .BMJ 313::570. ,1996. .