APA aipamena

Ejima, K., Li, P., Smith, D. L., Nagy, T. R., Kadish, I., van Groen, T., . . . Allison, D. B. (2016). Observational Research Rigor Alone Does Not Justify Causal Inference. Eur J Clin Invest.

Chicago Style aipamena

Ejima, Keisuke, et al. "Observational Research Rigor Alone Does Not Justify Causal Inference." Eur J Clin Invest 2016.

MLA aipamena

Ejima, Keisuke, et al. "Observational Research Rigor Alone Does Not Justify Causal Inference." Eur J Clin Invest 2016.