(6619544), L. S., (439114), H. C., (9262512), H. H. A., (787159), P. C., (239534), P. T., (4675846), H. M. Y., . . . (9262524), L. J. A. (2024). Effectiveness of two and three doses of COVID-19 mRNA vaccines against infection, symptoms, and severity in the pre-omicron era: A time-dependent gradient.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)(6619544), Layan Sukik, et al. Effectiveness of Two and Three Doses of COVID-19 MRNA Vaccines Against Infection, Symptoms, and Severity in the Pre-omicron Era: A Time-dependent Gradient. 2024.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)(6619544), Layan Sukik, et al. Effectiveness of Two and Three Doses of COVID-19 MRNA Vaccines Against Infection, Symptoms, and Severity in the Pre-omicron Era: A Time-dependent Gradient. 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.