APA (7th ed.) Citation

Pattison, N., Mellanby, R. J., Handel, I., Walsh, T. S., Ostermann, M., Lyttle, M., . . . Ho, A. Y. W. (2021). Vitamin D insufficiency in COVID-19 and influenza A, and critical illness survivors: A cross-sectional study. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Pattison, Natalie, et al. Vitamin D Insufficiency in COVID-19 and Influenza A, and Critical Illness Survivors: A Cross-sectional Study. BMJ Publishing Group, 2021.

MLA (8th ed.) Citation

Pattison, Natalie, et al. Vitamin D Insufficiency in COVID-19 and Influenza A, and Critical Illness Survivors: A Cross-sectional Study. BMJ Publishing Group, 2021.

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