González de Dios J, Balaguer Santamaría A, Díaz-Rosello JL. What should paediatricians recommend regarding the use of pacifier in infants? Reflections and comments on its role in the reduction of sudden infant death syndrome. Rev Pediatr Aten Primaria. 2007;9 Supl 1:S21-6.
Puebla Molina S, Modesto i Alapont V. The use of long-acting-beta-agonists can increase exacerbations in severe asthma as well as asthma-related deaths if not associated always with inhaled corticosteroids. Rev Pediatr Aten Primaria. 2007;9 Supl 1:S63-8.