Valovirta E, ed. EFA book on respiratory allergies. Brussels: European Federation of Allergy and Airways Diseases Patients’ Associations, 2011. Disponible en http://www.efanet.org/wp-content/documents/EFABookonRespiratoryAllergiesFINAL.pdf
Valovirta E, ed. EFA book on respiratory allergies. Brussels: European Federation of Allergy and Airways Diseases Patients’ Associations, 2011. Disponible en http://www.efanet.org/wp-content/documents/EFABookonRespiratoryAllergiesFINAL.pdf