International Journal of Pediatric Otorhinolaryngology
International Journal of Pediatric Otorhinolaryngology > 2001 > 58 > 2 > 147 - 152
International Journal of Pediatric Otorhinolaryngology > 2001 > 58 > 2 > 107 - 111
International Journal of Pediatric Otorhinolaryngology > 2001 > 59 > 3 > 195-200
International Journal of Pediatric Otorhinolaryngology > 2001 > 60 > 1 > 29 - 40
International Journal of Pediatric Otorhinolaryngology > 2001 > 60 > 1 > 49 - 54