Parsons, N., Stallard, N., Parsons, H., Haque, A., Underwood, M., Mason, J., . . . Metcalfe, A. (2022). Group sequential designs in pragmatic trials: Feasibility and assessment of utility using data from a number of recent surgical RCTs. BioMed Central.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Parsons, NR, et al. Group Sequential Designs in Pragmatic Trials: Feasibility and Assessment of Utility Using Data from a Number of Recent Surgical RCTs. BioMed Central, 2022.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Parsons, NR, et al. Group Sequential Designs in Pragmatic Trials: Feasibility and Assessment of Utility Using Data from a Number of Recent Surgical RCTs. BioMed Central, 2022.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.