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Congenital fistula of the apex of the pyriform sinus: an overlooked phenomenon of debatable origin.

Bibliographic reference Guertin, L ; Hamoir, Marc ; Brazeau-Lamontagne, L ; Charlin, B. Congenital fistula of the apex of the pyriform sinus: an overlooked phenomenon of debatable origin.. In: The Journal of otolaryngology, Vol. 21, no. 3, p. 174-6 (1992)
Permanent URL http://hdl.handle.net/2078.1/28417