Lane, A. J., Down, L., Wade, J., Neal, D., Hamdy, F., & Donovan, J. (2011). Understanding factors influencing questionnaire response rates to maximise retention in a long term complex intervention trial. BioMed Central.
Παραπομπή Chicago StyleLane, Athene J., Liz Down, Julia Wade, David Neal, Freddie Hamdy, και Jenny Donovan. Understanding Factors Influencing Questionnaire Response Rates to Maximise Retention in a Long Term Complex Intervention Trial. BioMed Central, 2011.
Παραπομπή MLALane, Athene J., et al. Understanding Factors Influencing Questionnaire Response Rates to Maximise Retention in a Long Term Complex Intervention Trial. BioMed Central, 2011.
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