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APA Citation
Kershaw, K., Liu, K., Goff, D., Lloyd-Jones, D., Rasmussen-Torvik, L., Reis, J., Schreiner, P., Garside, D., & Sidney, S. (2016). description and initial evaluation of incorporating electronic follow-up of study participants in a longstanding multisite cohort study. BMC medical research methodology, 16(1), 1–5. http://access.bl.uk/ark:/81055/vdc_100080802706.0x000111