Roig, Francesc, and Ángel Borrego. “Conflict of Interest Statements in Biomedical Publications. A Study of Four Spanish Health Care Journals”. Acta Bioethica 23, no. 1 (June 5, 2017). Accessed August 27, 2024. https://revistamusicalchilena.uchile.cl/index.php/AB/article/view/46179.