Antral choanal polyps in the records of the ent department of the Pediatric Institute of the Karol Marcinkowski University of Medical Sciences in Poznań, Poland

Michał Grzegorowski, Jarosław Antyborzec, Jarosław Szydłowski, Iwona Steiner, Joanna Zabel-Olejnik, Grzegorz Wonicki
New Medicine 3/1999