DOI: 10.1055/s-00000094

Zeitschrift für Gastroenterologie

References

Donovan J, Mills N, Smith M 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: 766-770

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