AHMADIAN, Robab; OCAKOGLU, Gokhan. Study designs in biomarker research. The European Research Journal, [S. l.], v. 3, n. 2, p. 106–110, 2017. DOI: 10.18621/eurj.284433. Disponível em: https://eurj.org.tr/article/view/101. Acesso em: 5 apr. 2026.