EWGPO/ESPO [European Working Group of Pediatric Otorhinolaryngology/European Society of Pediatric Otorhinolaryngology] - 6th international congress of pediatric otorhinolaryngology : Rotterdam, May 1994 / edit. C. D. A. Verwoerd ... [et al.] Vol. 32 Suppl. 1995. Amsterdam : Elsevier, 1995. 12, 228 s.   [1, z toho voľných 0, prezenčne 1]