Cox DR (1958)
- Cox DR (2009).
Randomization for concealment.
- Schulz KF, Chalmers I, Altman DG, Grimes DA, Moher D, Hayes RJ (2018).
‘Allocation concealment’: the evolution and adoption of a methodological term.
- Individual patient data
- Fair tests of treatments
- The play of chance
- Bringing it all together for the benefit of patients and the public