APA (7th ed.) Citation

An, H., An, H., Li, T., Zhang, X., Hu, H., Hu, H., . . . Li, M. Persistent CD19+ B cell lymphopenia in critically ill COVID-19 patients 50 days after symptom onset. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

An, Hui, et al. Persistent CD19+ B Cell Lymphopenia in Critically Ill COVID-19 Patients 50 Days After Symptom Onset. Frontiers Media S.A.

MLA (9th ed.) Citation

An, Hui, et al. Persistent CD19+ B Cell Lymphopenia in Critically Ill COVID-19 Patients 50 Days After Symptom Onset. Frontiers Media S.A.

Warning: These citations may not always be 100% accurate.