Improving influenza surveillance in Portuguese preschool children by parents' report.
Paixão P, Piedade C, Papoila A, Caires I, Pedro C, Santos M, Silvestre MJ, Brum L, Nunes B, Guiomar R, Curran MD, Carvalho A, Marques T, Neuparth N.
Paixão P, et al.
Eur J Pediatr. 2014 Aug;173(8):1059-65. doi: 10.1007/s00431-014-2285-7. Epub 2014 Mar 6.
Eur J Pediatr. 2014.
PMID: 24599798
Free PMC article.