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APA Citation
Jamrozik, E., Littler, K., Bull, S., Emerson, C., Kang, G., Kapulu, M., Rey, E., Saenz, C., Shah, S., Smith, P. G., Upshur, R., Weijer, C., Selgelid, M. J., & , (2021). key criteria for the ethical acceptability of COVID-19 human challenge studies: Report of a WHO Working Group. Vaccine, 39(4), 633–640. http://access.bl.uk/ark:/81055/vdc_100119753969.0x00003c