Cook, J., Cook, J., Bongard, E., Heneghan, C., & Butler, C. (2023). Conditional versus non-conditional incentives to maximise return of participant completed questionnaires in clinical trials: A cluster randomised study within a trial. BioMed Central.
芝加哥风格引文Cook, J., JA Cook, E. Bongard, C. Heneghan, 与 CC Butler. Conditional Versus Non-conditional Incentives to Maximise Return of Participant Completed Questionnaires in Clinical Trials: A Cluster Randomised Study Within a Trial. BioMed Central, 2023.
MLA引文Cook, J., et al. Conditional Versus Non-conditional Incentives to Maximise Return of Participant Completed Questionnaires in Clinical Trials: A Cluster Randomised Study Within a Trial. BioMed Central, 2023.
警告:这些引文格式不一定是100%准确.