प्रदर्शित 1 - 2 परिणाम 2, सवाल का समय: 0.06सेकंड परिणाम को परिष्कृत करें
  1. 1
    Factors that can affect the external validity of randomised controlled trials

    Factors that can affect the external validity of randomised controlled trials द्वारा Rothwell, P

    प्रकाशित 2006
    Journal article
  2. 2
    Factors that can affect the external validity of randomised controlled trials.

    Factors that can affect the external validity of randomised controlled trials. द्वारा Rothwell, P

    प्रकाशित 2006
    Journal article

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