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Dyrvig AK, Kidholm K, Gerke O, et al. Checklists for external validity: a systematic review. J Eval Clin Pract. 2014;20(6):857-64doi: 10.1111/jep.12166.
Dyrvig, A. K., Kidholm, K., Gerke, O., & Vondeling, H. (2014). Checklists for external validity: a systematic review. Journal of evaluation in clinical practice, 20(6), 857-64. https://doi.org/10.1111/jep.12166
Dyrvig, Anne-Kirstine, et al. "Checklists for external validity: a systematic review." Journal of evaluation in clinical practice vol. 20,6 (2014): 857-64. doi: https://doi.org/10.1111/jep.12166
Dyrvig AK, Kidholm K, Gerke O, Vondeling H. Checklists for external validity: a systematic review. J Eval Clin Pract. 2014 Dec;20(6):857-64. doi: 10.1111/jep.12166. Epub 2014 May 15. PMID: 24828521.
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