Romero Goicochea, Cecilia, et al. “Association Between Respiratory Virus and Asthma Exacerbation in Children. Trujillo-Perú”. Revista Peruana De Pediatría, vol. 62, no. 1, Dec. 2009, pp. 01-07, doi:10.61651/rped.2009v62n1p01-07.