APA استشهاد

Liu, A., Li, Q., Liu, C., Yu, K. F., & Yuan, V. W. (2010). A threshold sample-enrichment approach in a clinical trial with heterogeneous subpopulations.

استشهاد بنمط شيكاغو

Liu, Aiyi, Qizhai Li, Chunling Liu, Kai F. Yu, و Vivian W. Yuan. A Threshold Sample-enrichment Approach in a Clinical Trial With Heterogeneous Subpopulations. 2010.

MLA استشهاد

Liu, Aiyi, et al. A Threshold Sample-enrichment Approach in a Clinical Trial With Heterogeneous Subpopulations. 2010.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.