Korn EL, Hunsberger S., Freidlin B. et al. Preliminary data release for randomized clinical trials of noninferiority: a new proposal. Journal of Clinical Oncology2005; 23: 5831-36.
2.
Fleming TR, Sharples K., McCall J. et al. Maintaining Confidentiality of Interim Data to Enhance Trial Integrity and Credibility. Clinical Trials2008; 5: 157-67.
3.
Abrams D., Goldman A., Launer C. et al. A comparative trial of didanosine or zalcitabine after treatment with zidovudine in patients with human immunodeficiency virus infection. New England Journal of Medicine1994; 330: 657-62.