Dennis, M., Salman, R. A., Mead, G., Matthews, C., Drever, J., & Perry, D. (2013). Utilising fax to PDF technology to increase security, confidentiality, protocol adherence, follow-up and ease of monitoring in multicentre randomised trials. BioMed Central.

Dennis, Martin, Rustam Al-Shahi Salman, Gillian Mead, Christopher Matthews, Jonathan Drever, và David Perry. Utilising Fax to PDF Technology to Increase Security, Confidentiality, Protocol Adherence, Follow-up and Ease of Monitoring in Multicentre Randomised Trials. BioMed Central, 2013.

Dennis, Martin, et al. Utilising Fax to PDF Technology to Increase Security, Confidentiality, Protocol Adherence, Follow-up and Ease of Monitoring in Multicentre Randomised Trials. BioMed Central, 2013.