APA-viite

Wang, J., Cooper, J. M., Gokhale, K., Acosta-Mena, D., Dhalla, S., Byne, N., . . . Nirantharakumar, K. (2021). Association of Metformin with Susceptibility to COVID-19 in People with Type 2 Diabetes. J Clin Endocrinol Metab.

Chicago-tyylinen lähdeviittaus

Wang, Jingya, et al. "Association of Metformin With Susceptibility to COVID-19 in People With Type 2 Diabetes." J Clin Endocrinol Metab 2021.

MLA-viite

Wang, Jingya, et al. "Association of Metformin With Susceptibility to COVID-19 in People With Type 2 Diabetes." J Clin Endocrinol Metab 2021.

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