Salinas , María, Maite López-Garrigós, Julián Díaz, Mario Ortuño, Martin Yago, Begoña Laíz, Arturo Carratala, et al. “Regional Variations in Test Requiring Patterns of General Practitioners in Spain”. Upsala Journal of Medical Sciences 116, no. 4 (November 9, 2011): 247–251. Accessed November 14, 2026. https://ujms.net/index.php/ujms/article/view/6058.