APA Citation

Singer, A. J., & Fries, B. C. (2020). COVID-19: Challenges and opportunities. Clin Exp Emerg Med.

Chicago Style Citation

Singer, Adam J., and Bettina C. Fries. "COVID-19: Challenges and Opportunities." Clin Exp Emerg Med 2020.

MLA Citation

Singer, Adam J., and Bettina C. Fries. "COVID-19: Challenges and Opportunities." Clin Exp Emerg Med 2020.

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