Gerber, D. E., Sheffield, T. Y., Beg, M. S., Williams, E. L., Clark, V. L., Xie, Y., . . . Lee, S. J. C. (2020). Experience, perceptions, and recommendations concerning COVID-19-related clinical research adjustments. J Natl Compr Canc Netw.
Chicago-tyylinen lähdeviittausGerber, David E., Thomas Y. Sheffield, M. Shaalan Beg, Erin L. Williams, Valerie L. Clark, Yang Xie, M.E. Blair Holbein, Celette Sugg Skinner, ja Simon J. Craddock Lee. "Experience, Perceptions, and Recommendations Concerning COVID-19-related Clinical Research Adjustments." J Natl Compr Canc Netw 2020.
MLA-viiteGerber, David E., et al. "Experience, Perceptions, and Recommendations Concerning COVID-19-related Clinical Research Adjustments." J Natl Compr Canc Netw 2020.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.