Bartlett, Gillian, Robyn M. Tamblyn, Yuko Kawasumi, Lise Poissant, and Laurel Taylor. “Non-Participation Bias in Health Services Research Using Data from an Integrated Electronic Prescribing Project: The Role of Informed Consent”. Acta Bioethica 11, no. 2 (January 1, 2005). Accessed April 26, 2024. https://actabioethica.uchile.cl/index.php/AB/article/view/16727.