Redmond CK , Colton T (eds). Biostatistics in clinical trials. John Wiley , 2001.
2.
Moher D , Schulz KF , Altman DG for the CONSORT Group . The CONSORT statement: revised recommendations for improving the quality of reports of parallel group randomized trials . Ann Intern Med2001; 134: 657-662 .
3.
Campbell MK , Elbourne DR , Altman DG for the CONSORT Group . CONSORT statement: extension to cluster randomised trials . Br Med J2004; 328-328 .
4.
Ioannidis JPA , Evans SJW , Gøtzsche PCet al for the CONSORT Group . Better reporting of harms in randomized trials: an extension of the CONSORT statement . Ann Int Med2004; 141(10): 781-788 .
5.
Flather Met al.Handbook of clinical trials. ReMEDICA Publishing , 2001.
6.
Green S , Bennedetti J , Crowley J.Clinical trials in oncolcogy, 2nd edition. Chapman & Hall/CRC , 2003.