International Journal of Pediatric Otorhinolaryngology, 77, 488-93 International Journal of Pediatric Otorhinolaryngology, 77(4), 488-493. Elsevier Ireland Ltd International Journal of Pediatric Otorhinolaryngology International Journal of Pediatric Otorhinolaryngology, 77, 4, pp. 488-93
European Archives of Oto-Rhino-Laryngology, 267, 6, pp. 867-73 European Archives of Oto-Rhino-Laryngology, 267(6), 867-873. Springer European Archives of Oto-Rhino-Laryngology, 267, 867-73 European Archives of Oto-Rhino-Laryngology
Microbiology (New York), 155, Pt 12, pp. 4135-44 Microbiology (New York), 155, 4135-44 Microbiology (Reading, England), 155(Pt 12), 4135-4144. Microbiology Society