“Semanas 35 a 38 del 24/08/08 al 20/09/08”, Boletín Epidemiológico Semanal, vol. 16, no. 16, pp. 191–192, Sep. 2008, Accessed: Feb. 09, 2026. [Online]. Available: //revista.isciii.es/index.php/bes/article/view/525