Jenny Donovan, Paul Little, Nicola Mills, Monica Smith, Lucy Brindle, Ann Jacoby et al
Donovan J, Little P, Mills N, Smith M, Brindle L, Jacoby A et al.
Quality improvement report
Improving design and conduct of randomised trials by embedding them in qualitative research: ProtecT (prostate testing for cancer and treatment) study
Commentary: presenting unbiased information to patients can be difficult
BMJ 2002; 325 :766
doi:10.1136/bmj.325.7367.766